Sidney D. Gamble Photographs 
Description: This impressive collection of photographs is freely accessible, includes searchable metadata, and all photos can be viewed as thumbnails or in full size (with the possibility to zoom in). Additional material such as an interactive map and a timeline of Gamle's itinerary, a filmed documentary of his 1924-1927 voyage and a research guide with extra sources complement this database.
http://library.duke.edu/digitalcollections/gamble/ more Language: eng English The Chinese in California : 1850-1925
Citation: The Chinese in California, 1850-1925 illustrates nineteenth and early twentieth century Chinese immigration to California through about 8,000 images and pages of primary source materials. [...] The materials in this online compilation are drawn from collections at The Bancroft Library, University of California Berkeley; The Ethnic Studies Library, University of California Berkeley; and The California Historical Society, San Francisco.
http://library.duke.edu/digitalcollections/gamble/ more Language: eng English