20 Amazing Color Images of the First World War
http://listverse.com/history/20-amazing-color-images-of-the-first-world-war/
20th Century History, Inventions, World Wars, Images, Timelines
http://www.chiff.com/society/history-20th-century.htm
Ancient Mayan Photographs
http://www.culturefocus.com/guatemala.htm
Architecture Design Images
http://www.greatbuildings.com/
Archive of First World War Photos
http://www.wereldoorlog1418.nl/warpictures/index.html
Free Historical Slides
http://www.freephotop.com/
History and Geography of Europe
http://www.euratlas.com/
History Images
http://www.historyimages.com/
Images of the World
http://www.imagesoftheworld.org/
Images from History
http://www.hp.uab.edu/image_archive/
Medieval Europe Historical Index
https://www.msu.edu/~georgem1/history/medieval.htm
Pictures of History: Ancient Rome
http://www.jhauser.us/pictures/history/Romans/Rome/index.html
Rare History Images to the Publishing Trade
http://www.ahrtp.com/
Slides and Images for Art History Resource Collections
http://www.studiolo.org/Slides/SLIDES.htm#Slides
Virginia Tech University Libraries: Images from Norfolk & Western Railway
http://spec.lib.vt.edu/testdata/nw/nw.html
World Images California State University Kiosk
http://worldimages.sjsu.edu/
World Wide Web Virtual Library: Historical Images Index
http://vlib.iue.it/hist-images/geographical.html