Untitled page from a sketchbook

Cubic-Modular Wall Structure, Black

1966 · Museum of Modern Art

Four-Sided Pyramid

first installation 1997, fabricated 1999 · National Gallery of Art

Wall Drawing #1144, Broken Bands of Color in Four Directions

2004 · Museum of Modern Art

Untitled page of sketches

n.d. · Nicht ausgestellt · Museum of Modern Art

Objectivity

1962 · Nicht ausgestellt · National Gallery of Art

Floor Structure

1963 · Nicht ausgestellt · Museum of Modern Art

Floor Structure Black

1965 · Nicht ausgestellt · National Gallery of Art

Wall Box with Study from Muybridge's The Human Figure in Motion

1965 · Nicht ausgestellt · Museum of Modern Art

Ansel Adams

Rock, Bakers Beach, San Francisco, California, c. 1931

Vincent van Gogh

The Olive Trees, Saint Rémy, June-July 1889

Vincent van Gogh

Sternennacht, 1889

Pablo Picasso

Goat Skull and Bottle, Vallauris, 1951 (cast 1954)

Pablo Picasso

She-Goat, Vallauris, 1950 (cast 1952)

Pablo Picasso

Face in Profile (plate, page 21) from Corps perdu, 1949, published 1950

Pablo Picasso

Coupling (plate, page 17) from Corps perdu, 1949, published 1950

Pablo Picasso

"Présence" (chapter title, page 13) from Corps perdu, 1949, published 1950