A History of Photography
Contains an extensive history, from earliest times to the 1920s. Includes biographical information on all significant photographers.
Bob's Photo Page
Contains a brief history of photography and how film works, profiles the development of modern photography, and has short biographies of early photographers.
George Eastman House Collections
Collection includes thousands of photographs and negatives dating from the invention of photography to the present day including many milestones and covering most photographic processes.
History of Photography Timeline
Highlights major developments in timeline format.