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

Fernand Léger, The Constructors, 1951, Gouache and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38258

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

Fernand Léger, Mechanical Period (Époque mécanique) from Art of Today, Masters of Abstract Art (Art d'aujourd'hui, maîtres de l'art abstrait), Album I, 1953 (original executed in 1919), One from a portfolio of sixteen screenprint reproductions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/31861

Fernand Léger, La partie de campagne, 1950, Gouache und Feder (?) in Schwarz, etwas Bleistift, über Quadrierung mit Bleistift, auf Velinpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/128569

Louise Bourgeois, [Untitled], 1950, Gouache, pencil, and colored pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35082

Fernand Léger, Face and Hands, 1952, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33238