Extensive online exhibitions of historic photographs and documents. Includes the American Memory Historical Collections, a display of American history in words, sound, and pictures. http://www.loc.gov/
Dedicated to the history, science, and art of the daguerreotype. This site features galleries, extensive resources, and information. http://www.daguerre.org
View great images from the history of photography, daguerreotypes to Ansel Adams. Features Americana, Civil War, Wild West, portraits, scenes, photojournalism, plus services for collectors and researchers. http://www.photography-museum.com/
View rare and historic daguerreotypes and ambrotypes made between 1848 and 1860, presented by the Oakland Museum of California. Includes descriptive commentary for each image. http://www.museumca.org/goldrush/silver.html
Collection of over 700,000 vintage photographs specializing in medical and historical images. Services offered include stock photograph licensing, research, and creation of exhibitions and documentaries. http://www.burnsarchive.com/
Offering images, history, and information on Stanhopes, the miniature microphotographic lenses incorporated into many novelty collectables produced from the mid-19th century onwards. http://www.stanhopes.info/