Practical Hydrotherapy (1909)

The Art of Dreams

The Photographs of Hugo Simberg

Greetings from Krampus

Beards of Time

Flowers of the Sky

Nature Through Microscope and Camera (1909)

High Frequency Electric Currents in Medicine and Dentistry (1910)

The Physiognomy of Hands (1917)

Shtetl, My Destroyed Home: A Remembrance (1922)

Highlights from the 20,000+ maps made freely available online by New York Public Library

Anthropomorphic Maps of Europe at War (1870/1914)

Selection from Wellcome Library’s release of 100k openly licensed images

Wear Celluloid Collars and Cuffs (ca.1870)

Photographs of Auto Polo (ca. 1912)

A Selection from The Getty’s Open Content Program

The First Tour de France (1903)

The Corset X-Rays of Dr Ludovic O’Followell (1908)

Lantern Slides of Norway (ca. 1910)

Bifurcated Girls: Vanity Fair Special Issue (1903)

Phrenology Diagrams from Vaught’s Practical Character Reader (1902)

Double Exposures

A Pictorial History of Santa Claus

The Calaveras of José Guadalupe Posada