Photogravure.com - The best place to learn about photogravure on the net.
George Eastman House - Extensive photogrqphy collection online.
A History of Photography - Robert Leggat's comprehensive overvew.
National Media Museum - The collection of The Royal Photographic Society.
bibliography
Crawford, William. The Keepers of Light — A History and Working Guide to Early Photographic Processes. New York: Morgan and Morgan, 1979
Eder, Josef Maria; Epstean, Edward. History of Photography. New York: Columbia University Press, 1945
Foster, Sheila; Heiting, Manfred; Stuhlman, Rachel. Imagining Paradise: The Richard and Ronay Menschel Library at George Eastman House, Rochester, Steidl & Partners, 2007
Goldschmidt, Lucien; Naef, Weston J. The Truthful Lens: A Survey of the Photographically Illustrated Book. 1844-1914. New York: Grolier Club, 1980
Green, Jonathan, ed. Camera Work: A Critical Anthology. New York: Aperture, 1973
Greenough, Sarah, et al. The Key Set: The Alfred Stieglitz Collection of Photographs. Washington, D.C.: National Gallery of Art; New York: Harry N. Abrams, 2002.
Hawker, Margaret F., The Linked Ring: The Secession Movement in Photography in Britain, 1892 - 1910, London: Heinemann, 1979
Haworth-Booth, Mark, ed. The Golden Age of British Photography, 1839-1900. New York: Aperture, 1984
Homer, William Innes. Alfred Stieglitz and the Photo-Secession. Boston: Little, Brown and Company, 1983
Margolis, Marianne Fulton. Alfred Stieglitz Camera Work — A Pictorial Guide. New York: Dover Publications 1978
Naef, Weston. The Collection of Alfred Stieglitz — Fifty Pioneers of Modern Photography. New York: The Viking Press, 1978
Newhall, Beaumont. The History of Photography. New York: Museum of Modern Art, 1982
Newhall, Nancy. P.H. Emerson — The Fight for Photography as a Fine Art. New York: Aperture, 1975
Peterson, Christian A. Alfred Stieglitz's "Camera Notes". The Minneapolis Institute of Arts, 1993
Prodger, Phillip. Impressionist Camera: Pictorial Photography in Europe, 1888-1918. London; Merrell, 2006
Rosenblum, Naomi. A World History of Photography. 3rd edition. New York: Abbeville Press, 1997
Witkin, Lee D. and London, Barbara. The Photograph Collector's Guide. Boston: New York Graphics Society, 1979
