100 Boots in the Marsh, October 8, 1971, 8:00 a.m.; mailed August 10, 1972

Eleanor Antin

100 Boots on the Job, February 15, 1972, 12:15 p.m.; mailed September 11, 1972

Eleanor Antin

100 Boots in the Street, February 15, 1972, 3:00 p.m.; mailed September 25, 1972

Eleanor Antin

100 Boots Boarding, 1973

Eleanor Antin

100 Boots Taking the Hill (2), 1973

Eleanor Antin

100 Boots Taking the Hill (3), 1973

Eleanor Antin

Cesko-Slovenska Armada (The Czechoslovakian Army), c.1938

Ladislav Sutnar

Spatial Forces, 1949

Lois Field

Footnote on Portraiture, c. 1971

Barbara Rossi

Cinema (Bayamo), 2003

Cinema (Record), 2003

Folio cover, from Estampas de Yucatán, published 1946

Alfredo Zalce

Inverted Y Branch, from Counting Alternatives: The Wittgenstein Illustrations, 1991, based on a drawing from 1971

Mel Bochner

Asterisk Branch, from Counting Alternatives: The Wittgenstein Illustrations, 1991, based on a drawing from 1971

Mel Bochner

Mutation No. 1, 1970

Vera Berdich

Flashlight, 1967–69

Jasper Johns

Flashlight, from 1st Etchings, 1967-69

Jasper Johns

Flashlight, from 1st Etchings, 1967-69

Jasper Johns

Light Bulb, from 1st Etchings, 2nd State, 1967-69

Jasper Johns

Flashlight, from 1st Etchings, 2nd State, 1967-69

Jasper Johns