War Chief of the Zuni Indians, No. 20 from the series "Geographical Explorations and Surveys West of the 100th Meridian", 1873

Timothy O'Sullivan

Two American Flags, Freed Iranian Hostage Tickertape Parade, New York City, January 20, 1981

Thomas Frederick Arndt

Head of a Young Girl, n.d.

Francis Chapin

Untitled, 1860/94

Francis Bedford

Untitled, 1860/94

Francis Bedford

Llandudno-The Parade from above the Baths, 1860/94

Francis Bedford

Barmouth, from above Bellevue, 1860/94

Francis Bedford

Saturday Night, n.d.

Francis Chapin

Sad Forebodings of What is Going to Happen, plate one from The Disasters of War, 1814/20, published 1863

Francisco José de Goya y Lucientes

Freed Iranian Hostage, Tickertape Parade, New York City, January 20, 1981

Thomas Frederick Arndt

Richard Morris Hunt, c. 1891

Karl Theodore Francis Bitter

Fingered Gauntlet for the Left Hand, c. 1600/20

Coin: 20 rs. Isabella, 1835

Spanish

Coin: 20 Esc. Isabella, 1861

Spanish

Page 20, from Tetrascroll, 1975–77

Richard Buckminster Fuller

Section 20 of The Blind, 1986/89

Sophie Calle

Art & Project, Bulletin 20, Jan. 1970

Gilbert & George

Untitled (3/20/35), March 20, 1935

Unknown Maker

Light Calligram II (20), 1993

Joan Fontcuberta

Pantalone, from Three Italian Comedians, 1618–20

Jacques Callot