Untitled from Fragmentation

The World of Thorns

1968 · Non esposta · Museum of Modern Art

Human Hang-Up Machine

1969 · Non esposta · Museum of Modern Art

The Human Argument

1969–70 · Non esposta · Museum of Modern Art

Matrix of Knowledge

1970 · Non esposta · Museum of Modern Art

Dialectic Triangulation: Into Symbolic Logic

1970 · Non esposta · Museum of Modern Art

The Human Argument (Dialectic Triangulation: Symbolic Logic #1)

1970 · Non esposta · Museum of Modern Art

Pascal's Triangle

1973 · Non esposta · Museum of Modern Art

Isometric Systems in Isometric Space

1974 · Non esposta · National Gallery of 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

Notte stellata, Saint Rémy, June 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