Links last verified / added June 2017

Sergei Prokudin-Gorskii - Photographing the Russian Empire in colour Additional slideshow at BBC Library of Congress collection
GoGraph - Stock Photography and Graphics
Can Stock Photo
The photographer who rejected racism in the American south - BBC article Hugh Mangum Photographs, (ca. 1890)-1922 - Duke University Libraries
Webcams in the World   |   Webcams of Canada
Paris in Color, January 1923
Live Webcams Winnipeg / Canada / U.S.A.
The Photographic Dictionary
Stock Images and Video Footage at FotoSearch
The Tibet Album
ViewAt.org – Photographic works in panoramic format by location
Secret Worlds: The Universe Within
British Pathe Limited
California Coastal Records Project
Geographical locator for pictures from Beirut
World City Photo Archive
Vernacular Photography
Architecture and Photography
US National Archives
LIFE Photos | Classic Pictures From LIFE Magazine's Archives
Travel Guides for Photographers
WebCam Central