John H. White’s Photographs of Black Chicago for DOCUMERICA (1973–74)

Art Brut: The Scare-Fox (1910)

The Tanzmasken of Lavinia Schulz and Walter Holdt (ca. 1924)

The Turns of the Turnverein: Heinrich Hamann’s Gymnastic Photographs (ca. 1902)

Visualising Bubbles (1500–1906)

Earthen Messages: Nikola Tesla in his Laboratory (ca. 1899)

Gustave Zander and the 19th-Century Gym

Snowball Fights in Art (1400–1946)

Theresa Babb’s Photographs of Friendship (ca. 1898)

Adolf Schmidt’s Atlas der Diatomaceenkunde (1890)

Festooned: Martin Gerlach’s Decorative Groupings (1897)

Samuel G. Szabó’s Rogues, A Study of Characters (1857)

Herbert Geddes’ “Life in Japan” Collection: Hand-Coloured Glass Transparencies of the Meiji-Era

Of Chickens, Eggs, and Cannonballs: Roger Fenton’s Valley of the Shadow of Death (1855)

Early Photographs of Juneteenth Celebrations

“Firelight Flickering on the Ceiling of the World”: The Aurora Borealis in Art

Photographs of Japanese Sword Guards (1916)

John Margolies’ Photographs of Roadside America

Karl Blossfeldt’s Urformen der Kunst (1928)

August Strindberg’s Celestographs (1893–4)

The Notre-Dame Cathedral in Art (1460–1921)

Women at Work during World War I

Ogawa Kazumasa’s Hand-Coloured Photographs of Flowers (1896)

Physical Training for Business Men (1917)