Chinese in California, 1850-1925 [via OAC]

“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. Included are photographs, original art, cartoons and other illustrations; letters, excerpts from diaries, business records, and legal documents; as well as pamphlets, broadsides, speeches, sheet music, and other printed matter.”  Some of this material is available online.