Robert Motherwell, Elegy to the Spanish Republic No. 1, 1948, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37683

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38785

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37997

Robert Motherwell, The Widow, 1976, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37737

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38784

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37983

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37715

Robert Motherwell, 18 October 1987 Sketchbook #4, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37656

Lee Krasner, Seated Nude, 1940, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34581

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38790

Louise Bourgeois, [Untitled], c. 1943, Crayon, ink, and pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35039

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38795

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38786

Karel Appel, Beast, 1956, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32981

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38014

Robert Motherwell, 18 October 1987 Sketchbook #16, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37667

Louise Bourgeois, [Untitled], 1950, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35074

Louise Bourgeois, [Untitled], 1946, Pencil on notebook paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35053

Karel Appel, [Untitled], 1959, Crayon on paper (recto); pencil on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37614

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37724

Robert Motherwell, 18 October 1987 Sketchbook #22, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37678

Robert Motherwell, 18 October 1987 Sketchbook #13, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37664

Louise Bourgeois, [Untitled], 1951, signed 1953, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36914

Robert Motherwell, 18 October 1987 Sketchbook #17, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37670

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38792

Robert Motherwell, 18 October 1987 Sketchbook #20, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37676

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37974

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37717

Mark di Suvero, Study for X-Delta, (1969–70), Pencil, felt-tip pen, and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34971

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38791

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37711

Robert Motherwell, 18 October 1987 Sketchbook #7, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37660

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38793

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38787

Robert Motherwell, 18 October 1987 Sketchbook #25, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37679

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38005

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37993

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37754

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38001

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38794

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37986

Robert Motherwell, 18 October 1987 Sketchbook #18, 1987, Conté crayon on plastic sheet, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37673

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37978

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38008

Louise Bourgeois, Throbbing Pulse, 1944, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35031

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38011

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38789

Robert Motherwell, Untitled from the series Lyric Suite, 1965, Ink and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37989

Louise Bourgeois, [Untitled], 1989, Ink, charcoal, and crayon on burned paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35104