Photography

JSTOR
JSTOR is a digital library of academic content in many formats and disciplines. The collections include top peer-reviewed scholarly journals as well as respected literary journals, academic monographs, research reports from trusted institutes, and diverse primary sources. Explore the visual side of JSTOR, including artwork, newspapers, manuscripts, photographs, and other artifacts contributed by libraries, museums, archives, and historical societies around the world

Library of Congress Digital Collections
"The Library of Congress has made digitized versions of collection materials available online since 1994, concentrating on its most rare collections and those unavailable anywhere else. The following services are your gateway to a growing treasury of digitized photographs, manuscripts, maps, sound recordings, motion pictures, and books, as well as "born digital" materials such as Web sites."

Interpreting Photographs