About Women by John Altoon, Image 1.

John Altoon

Afterglow by Herbert Bayer, Image 2.

Herbert Bayer

Anti Bandeira by Eugenio Carmi, Image 1.

Eugenio Carmi

Verschoven Kwadraten (Shifted Squares) by Adriaan "Ad" Dekkers, Image 1.

Adriaan "Ad" Dekkers

Untitled by M DeNeale Morgan, Image 1.

M DeNeale Morgan

Portrait of Phyllis #23 by Richard Diebenkorn, Image 2.

Richard Diebenkorn

Wabash 40 (Terre Haute No. 2) by Robert Indiana, Image 2.

Robert Indiana

The Sea Queen by Corita Kent, Image 3.

Corita Kent

Robert Duncan by Ronald Brooks Kitaj, Image 5.

Ronald Brooks Kitaj

Stedelijk Museum, Amsterdam by Roy Lichtenstein, Image 3.

Roy Lichtenstein

Lady with Hat by Alex Maldonado, Image 4.

Alex Maldonado

Untitled by Pablo Palazuelo, Image 4.

Pablo Palazuelo

Untitled by Eduardo Paolozzi, Image 5.

Eduardo Paolozzi

Mystical Facade for an young ascetic by Jarvin Parks, Image 1.

Jarvin Parks

Berkeley Modernists One by Margaret Peterson, Image 5.

Margaret Peterson

S.S. Thomas L. Ward by Unknown Rossi, Image 1.

Unknown Rossi

Ziggurat 5 (Hard Edge Pop Art Abstraction) by Joe Tilson, Image 1.

Joe Tilson

Eden Series #2 by Mason Wells, Image 6.

Mason Wells

Forest Houses by Keith Wilson, Image 5.

Keith Wilson