Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.4 Josef Albers, Portfolio 2, Folder 20 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12210 František Kupka, [Untitled], 1928, Gouache, watercolor, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38252 Josef Albers, Folio I / Folder 1, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.1 Josef Albers, Folio I / Folder 20, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.20 Josef Albers, Portfolio 2, Folder 13 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12203 Josef Albers, Portfolio 2, Folder 18 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12208 Josef Albers, Folio II / Folder 12, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.45 Josef Albers, Folio II / Folder 25, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.58 Adja Yunkers, Aegean I from Artists and Writers Protest against the War in Vietnam, 1966, published 1967, Lithograph with embossing from a portfolio of nine screenprints (two with collage additions, one with die-cut, one with punched holes), six lithographs (one with embossing), and one etching, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32589 Josef Albers, Folio II / Folder 31, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.64 Hélio Oiticica, Grupo Frente No. 136, 1956, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33146 Hélio Oiticica, Metaesquema, 1956, Gouache on incised board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35040 Josef Albers, Portfolio 1, Folder 24 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12158 Hélio Oiticica, Metaesquema No. 179, 1956, Gouache and ink on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35047 Jacques Lipchitz, Girl with Braided Hair, (1914), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36065 František Kupka, Girl with a Ball, c. 1908, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37352 Josef Albers, Portfolio 1, Folder 21 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12155 Josef Albers, Folio I / Folder 13, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.13 Josef Albers, Pair D, 1958, Pen and ink on paper, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/77.3 Julio González, Study for Woman Combing Her Hair, 1936, Crayon, pencil, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38769 Julio González, Self-Portrait, 1940, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33850 Josef Albers, Portfolio 1, Folder 4 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12138 Josef Albers, Portfolio 2, Folder 17 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12207 Josef Albers, Variant VIII, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.8 Reg Butler, Study for Head of Watcher, 1951–2, Graphite, crayon and watercolour on paper, Tate, London. https://dartabase.art/cite/tate/A01063 Josef Albers, Variant III, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.3 Reg Butler, Study for Head of Watcher, 1951–2, Graphite, crayon and watercolour on paper, Tate, London. https://dartabase.art/cite/tate/A01062 Josef Albers, Portfolio 1, Folder 22 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12156 Josef Albers, White Line Square I, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.1 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.6 Josef Albers, Portfolio 1, Folder 1 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12135 Josef Albers, Folio I / Folder 7, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.7 Josef Albers, Hommage au Carré, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.3 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.9 Josef Albers, Portfolio 1, Folder 18 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12152 Josef Albers, Folio I / Folder 21, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.21 Josef Albers, WEG X, 1971, Line-cut with embossing, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/2015.125 Josef Albers, Ascension, 1942, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/74.85 Josef Albers, Variant VII, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.7 Josef Albers, White Line Square VIII, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.8 Romare Bearden, Beginning to Loom Larger and Larger on the Horizon, 1936–37, Crayon, gouache, ink, and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36853 Josef Albers, Portfolio 2, Folder 21 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12211 Reg Butler, Head and Shoulders, 1957, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34026 Josef Albers, Variant I, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.1 Lynn Chadwick, Studies for Balanced Sculpture, (1952), Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33065 Julio González, [Untitled], 1940, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33811 Josef Albers, Folio I / Folder 19, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.19 Josef Albers, Folio II / Folder 19, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.52 Josef Albers, Folio I / Folder 23, 1972, Screenprint (a, b,c, and d), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.23 Josef Albers, Folio II / Folder 21, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.54 Josef Albers, Folio I / Folder 18, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.18 Josef Albers, Portfolio 1, Folder 20 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12154 Josef Albers, Folio I / Folder 22, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.22 Josef Albers, Folio I / Folder 15, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.15 Josef Albers, Portfolio 2, Folder 9 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12199 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.2 Josef Albers, Homage to the Square VI, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.6 Josef Albers, Folio II / Folder 4, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.37 Josef Albers, Hommage au Carré, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.1 Josef Albers, Portfolio 2, Folder 5 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12195 Josef Albers, Folio I / Folder 9, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.9 Jacques Lipchitz, Seated Nude, (1915), Crayon, charcoal, pencil, watercolor, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34448 Josef Albers, White Line Square VI, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.6 Max Bill, Plate (folio 6) from 10 Origin, 1942, Linoleum cut from a portfolio of six linoleum cuts, three woodcuts, and one lithograph, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/19634 Wols (A. O. Wolfgang Schulze), Frontispiece from the illustrated book Naturelles by René de Solier, published c. 1946, Drypoint, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/16502 Josef Albers, Portfolio 1, Folder 23 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12157 Jacques Lipchitz, The Rape of Europa IV, 1941, Ink, red chalk, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34861 Josef Albers, Folio I / Folder 11, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.11 Josef Albers, Portfolio 1, Folder 11 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12145 Josef Albers, Portfolio 1, Folder 33 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12167 Josef Albers, Folio II / Folder 9, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.42 František Kupka, Composition géométrique (Geometric composition), c.1909–11, Gouache on paper, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/65734 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.8 Josef Albers, Folio II / Folder 32, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.65 Josef Albers, Folio II / Folder 15, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.48 Josef Albers, White Line Square IV, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.4 Josef Albers, Folio II / Folder 1, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.34 Romare Bearden, He Is Arisen, 1945, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34896 Josef Albers, Portfolio 2, Folder 19 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12209 Josef Albers, White Line Square II, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.2 Josef Albers, Folio I / Folder 24, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.24 Julio González, Figures and Heads (Personnages et têtes), 1938, Pencil, ink, and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36966 Josef Albers, Variant X, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.10 Julio González, Three Studies of Self-Portrait, 1938–40, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36195 Josef Albers, Folio I / Folder 32, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.32 Josef Albers, Portfolio 1, Folder 26 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12160 Josef Albers, Folio I / Folder 28, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.28 Josef Albers, Portfolio 2, Folder 31 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12221 Josef Albers, Portfolio 1, Folder 6 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12140 Josef Albers, Portfolio 2, Folder 1 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12191 César Domela-Nieuwenhuis, Plate (folio 10) from 10 Origin, 1942, Lithograph from a portfolio of six linoleum cuts, three woodcuts, and one lithograph, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/19636 Josef Albers, Formulation: Articulation (Colophon), 1972, Offset lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.67a-j Julio González, Study for Head of Montserrat Crying No. 2, 1941, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33820 Josef Albers, Portfolio 2, Folder 30 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12220 Romare Bearden, The Conjur Woman, 1964, Cut-and-pasted printed paper and gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36567 František Kupka, Admiration, c. 1899, Gouache, charcoal, watercolor, crayon, and pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33684 Josef Albers, Portfolio 1, Folder 30 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12164 Josef Albers, Folio II / Folder 14, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.47 Josef Albers, Intaglio Solo XIII, 1962, Embossing, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/81.35.1 Josef Albers, Folio I / Folder 3, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.3 Ellsworth Kelly, Brushstrokes Cut into Forty-Nine Squares and Arranged by Chance, 1951, Ink on cut-and-pasted paper on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37184 Josef Albers, Portfolio 1, Folder 15 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12149 Josef Albers, Folio I / Folder 25, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.25 Josef Albers, Portfolio 2, Folder 2 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12192 Josef Albers, Portfolio 2, Folder 16 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12206 Josef Albers, Portfolio 2, Folder 4 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12194 Ellsworth Kelly, Study for La Combe II, 1950, Cut-and-pasted colored paper and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37208 Josef Albers, Homage to the Square V, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.5 Josef Albers, Folio I / Folder 8, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.8 Josef Albers, Portfolio 1, Folder 2 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12136 Josef Albers, Folio II / Folder 8, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.41 Josef Albers, Folio II / Folder 20, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.53 Josef Albers, Portfolio 2, Folder 28 from Formulation: Articulation, Portfolio 2, Folder 28 \from\ Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12218 Josef Albers, Portfolio 2, Folder 25 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12215 Josef Albers, Portfolio 2, Folder 29 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12219 Josef Albers, Folio I / Folder 6, 1972, Screenprint (a-d), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.6 Julio González, Two Figures, 1938, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36959 Jacques Lipchitz, Musical instruments, 1925, reworked at a later date, Bronze, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/12418 Josef Albers, Variant II, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.2 Josef Albers, Homage to the Square III, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.3 Josef Albers, Portfolio 2, Folder 15 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12205 Josef Albers, Folio II / Folder 28, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.61 Adja Yunkers, Hour of the Dog, 1961, Pastel and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33941 Josef Albers, Variant IV, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.4 Hélio Oiticica, Metaesquema No. 237, 1957, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33127 Josef Albers, Folio II / Folder 23, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.56 Josef Albers, Folio I / Folder 10, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.10 Ellsworth Kelly, Awnings, Avenue Matignon, 1950, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37179 Josef Albers, White Line Square VII, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.7 Josef Albers, Homage to the Square: "Gained", 1959, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/79.36 Josef Albers, Folio II / Folder 3, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.36 Reg Butler, Figure in space, 1962–63, Lithograph on thin wove handmade paper, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/12951 Josef Albers, White Line Square V, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.5 Julio González, Study for Head, 1935, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33122 František Kupka, Bather, (1906), Pastel and charcoal on gray paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37271 Julio González, Study for Head, 1935, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36978 Josef Albers, Folio I / Folder 2, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.2 Wols (A. O. Wolfgang Schulze), Plate 2 from the illustrated book Naturelles by René de Solier, published c. 1946, Drypoint, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/16456 Ellsworth Kelly, Study for Sculpture for a Large Wall, 1956, Ink on blueprint, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34513 Romare Bearden, Pardon Me - But Could You Direct Me to the Oceanic Dredging Company?, 1935, Ink, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36848 Josef Albers, Intaglio Duo 2, 1958, Embossing, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/71.206 Ellsworth Kelly, Study for White Plaque: Bridge Arch and Reflection, 1951, Cut-and-pasted colored paper on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37229 Julio González, Study for Head, 1935, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33157 Josef Albers, Portfolio 1, Folder 14 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12148 Hélio Oiticica, Metaesquema No. 348, 1958, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33108 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.7 Josef Albers, Portfolio 1, Folder 3 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12137 Julio González, Study for Head, 1935, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38746 Josef Albers, Homage to the Square VII, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.7 Ellsworth Kelly, White and Black, 1952, Cut-and-pasted paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34008 Jacques Lipchitz, The Rape of Europa IV, (1941), Gouache, watercolor, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33034 Josef Albers, Portfolio 2, Folder 22 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12212 Josef Albers, Folio II / Folder 10, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.43 Josef Albers, Portfolio 2, Folder 12 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12202 Julio González, Study for Sculpture, 1936, Watercolor, ink, and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38214 Josef Albers, Variant VI, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.6 Ellsworth Kelly, Red and White, 1952, Cut-and-pasted paper and cut-and-pasted painted paper on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37196 Ellsworth Kelly, Tulip, 1980, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33675 Josef Albers, Folio II / Folder 5, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.38 Josef Albers, Folio I / Folder 14, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.14 Josef Albers, Homage to the Square VIII, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.8 Ellsworth Kelly, Study for White Sculpture, 1958, Cut-and-pasted paper and pencil on tracing paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37233 Julio González, Study for Sculpture, 1937, Watercolor, ink, crayon, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38216 Josef Albers, Portfolio 2, Folder 6 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12196 Josef Albers, Portfolio 2, Folder 3 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12193 Josef Albers, Folio I / Folder 5, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.5 Josef Albers, Reverse + Obverse, 1962, Ink on paper, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/63.13 Josef Albers, Above the Water, 1944, Woodcut, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/71.205 Ellsworth Kelly, Study for Rebound, 1955, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37221 Josef Albers, Portfolio 2, Folder 33 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12223 Josef Albers, Portfolio 1, Folder 7 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12141 Josef Albers, Portfolio 1, Folder 13 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12147 Josef Albers, Portfolio 2, Folder 8 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12198 Ellsworth Kelly, Spectrum Colors Arranged by Chance VI, 1951, Cut-and-pasted color-coated paper and pencil on four sheets of black paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35484 Josef Albers, Portfolio 1, Folder 25 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12159 Lynn Chadwick, The Jewel, study for the sculpture The Inner Eye, 1952, Watercolor and ink on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33042 Josef Albers, Portfolio 2, Folder 7 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12197 Josef Albers, White Line Square III, 1966, Lithograph, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.14.3 Julio González, Study for Cagoulard, 1935, Ink, crayon, and pencil on cut-and-pasted paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33120 Josef Albers, WEG III, 1971, Line-cut with embossing, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/2015.124 Josef Albers, Portfolio 2, Folder 27 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12217 Josef Albers, Folio I / Folder 12, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.12 Josef Albers, Folio II / Folder 2, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.35 Ellsworth Kelly, Tuileries, 1949, Pencil on lined paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37237 Ellsworth Kelly, Spectrum Colors Arranged by Chance II, 1951, Cut-and-pasted color-coated paper and pencil on four sheets of paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37202 Josef Albers, Homage to the Square: "Wait", 1967, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/2007.81 Josef Albers, Folio II / Folder 6, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.39 František Kupka, Replica of Fugue in Two Colors: Amorpha, 1912, (1946), Gouache, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34761 Josef Albers, Homage to the Square: "White Enclave", 1962, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/85.31 Josef Albers, Homage to the Square II, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.2 František Kupka, Study in Verticals (The Cathedral), (1912), Pastel on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34122 Josef Albers, Portfolio 1, Folder 12 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12146 Josef Albers, Folio I / Folder 30, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.30 Josef Albers, Folio I / Folder 17, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.17 Romare Bearden, The Dove, 1964, Cut-and-pasted printed paper, gouache, pencil, and colored pencil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36572 Josef Albers, Folio I / Folder 27, 1972, Screenprint (a and b), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.27 Josef Albers, Folio II / Folder 16, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.49 Josef Albers, Portfolio 1, Folder 19 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12153 Ellsworth Kelly, Study for Sculpture for a Large Wall, 1956, Ink and pencil on blueprint, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34496 Julio González, Study for Head, 1935, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33141 Ellsworth Kelly, Study for Meschers, 1951, Cut-and-pasted printed paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37215 Josef Albers, MM 3, 1961, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33540 Josef Albers, Portfolio 2, Folder 14 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12204 Josef Albers, Portfolio 1, Folder 31 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12165 Josef Albers, Folio II / Folder 13, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.46 Josef Albers, Portfolio 1, Folder 27 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12161 Ellsworth Kelly, Study for Black Ripe, 1954, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33061 Josef Albers, Portfolio 1, Folder 32 from Formulation: Articulation Portfolio 1, Folder 32 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12166 Wols (A. O. Wolfgang Schulze), Stringed Instrument, 1942, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33439 Josef Albers, Folio II / Folder 24, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.57 Josef Albers, Portfolio 2, Folder 23 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12213 Romare Bearden, Music on the Gallery, 1975, Monotype with pencil additions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32968 Josef Albers, Variant IX, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.9 Josef Albers, Folio II / Folder 26, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.59 Josef Albers, Folio II / Folder 22, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.55 Josef Albers, Folio II / Folder 27, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.60 Josef Albers, Folio II / Folder 29, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.62 Ellsworth Kelly, Automatic Drawing: Pine Branches VI, 1950, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37190 Wols (A. O. Wolfgang Schulze), Tête abîmée, c. 1944, Feder in schwarzer Tusche, Aquarell und weiße Lasur auf rosa meliertem Vergépapier, Spuren einer Umfassungslinie in weißer Kreide, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/17120 Josef Albers, Portfolio 1, Folder 5 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12139 Josef Albers, Folio I / Folder 4, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.4 Josef Albers, Folio II / Folder 18, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.51 Josef Albers, Homage to the Square XI, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.11 Josef Albers, Portfolio 1, Folder 8 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12142 Julio González, Study for Head, 1936, Gouache, crayon, and ink on cut-and-pasted paper on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38075 František Kupka, Replica (1946) of Vertical Planes, (1946), Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34788 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.5 Josef Albers, Folio II / Folder 30, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.63 Josef Albers, Portfolio 2, Folder 11 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12201 Hélio Oiticica, Grupo Frente No. 73, 1955–56, Gouache on card, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33162 Josef Albers, Homage to the Square - Orange and Yellow, 1970, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/96.246 Josef Albers, Homage to the Square IX, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.9 Josef Albers, Folio I / Folder 26, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.26 Ellsworth Kelly, Study for Window, Museum of Modern Art, Paris, 1949, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37225 Julio González, Head of Montserrat Grieving No. 2, 1938, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36181 Josef Albers, Portfolio 2, Folder 26 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12216 Hélio Oiticica, Nucleus NC3 (Núcleo NC3), 1960–61, Oil and resin on wood fiberboard, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/284499 František Kupka, View from a Carriage Window, c. 1901, Gouache and watercolor on paper with cardboard overlay, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34108 Julio González, Standing Figure, c. 1941, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35448 Josef Albers, Portfolio 2, Folder 10 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12200 Jacques Lipchitz, Study for the sculpture Mother and Child, (1939), Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35455 Julio González, Study for Woman Combing Her Hair, 1936, Pencil, crayon, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38747 Josef Albers, Folio I / Folder 31, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.31 Josef Albers, Homage to the Square I, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.1 Josef Albers, Homage to the Square IV, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.4 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.11 Josef Albers, Portfolio 2, Folder 32 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12222 Josef Albers, Coming Up, 1966, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/69.177 František Kupka, [Untitled], c. 1925–30, Colored pencil, pencil, ink, and oil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38250 Hélio Oiticica, Metaesquema, 1958, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35066 Josef Albers, Stele and Lawn, 1967, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/69.178 Josef Albers, Portfolio 2, Folder 24 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12214 Josef Albers, Homage to the Square: "Ascending", 1953, Oil on composition board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/54.34 František Kupka, An Absolute (Une Absolue) from Art of Today, Masters of Abstract Art (Art d'aujourd'hui, maîtres de l'art abstrait), Album I, 1953 (original executed in 1952), One from a portfolio of sixteen screenprint reproductions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/31875 Josef Albers, Portfolio 1, Folder 16 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12150 Reg Butler, Studies for Woman Standing, (1951), Pencil, crayon, and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33006 Josef Albers, Portfolio 1, Folder 9 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12143 Josef Albers, Portfolio 1, Folder 29 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12163 Josef Albers, Hommage au Carre, 1964, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/65.92.10 Josef Albers, Portfolio 1, Folder 17 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12151 Josef Albers, Folio I / Folder 16, 1972, Screenprint (a, b, c, and d), Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.16 Josef Albers, Folio II / Folder 33, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.66 Josef Albers, Folio I / Folder 33, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.33 Hélio Oiticica, Metaesquema No. 4066, 1958, Gouache on incised board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35054 Josef Albers, Variant V, 1966, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/67.64.5 Dorothy Dehner, From Japan, 1951, Watercolor, ink, and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33099 Ellsworth Kelly, Study for Sculpture for a Large Wall, 1956, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34478 František Kupka, Study with Green, (c. 1912), Chalk and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38151 Ellsworth Kelly, Apples, 1949, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37268 Josef Albers, Folio I / Folder 29, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.29 Julio González, Head of Montserrat Crying, No. 1, 1938, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36188 Julio González, Gold and Red Person, 1941, Watercolor, gouache, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38217 Josef Albers, Folio II / Folder 11, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.44 Josef Albers, Homage to the Square XII, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.12 Reg Butler, Study for Head of Watcher, 1951–2, Graphite, crayon and watercolour on paper, Tate, London. https://dartabase.art/cite/tate/A01061 Josef Albers, Folio II / Folder 17, 1972, Screenprint, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/93.113.50 František Kupka, Prometheus, (1909), Gouache, watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36018 Josef Albers, Portfolio 1, Folder 28 from Formulation: Articulation, 1972, Screenprinted folder from a two-part portfolio of 66 screenprinted folders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/12162 Josef Albers, Homage to the Square X, 1967, Screenprint on board, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/68.1.10