Contains photographic materials, including prints, contact sheets, negatives and slides, relating to Menuez's documentation of major Silicon Valley companies, as well as to fine art book projects, photo essays and photo shoots for advertising campaigns, annual reports and other commissioned work.

The collection comprises over 3,000 real photo postcards and photographic negatives from the studio of Alexander "Zan" Stark. Postcards and photographs focus on Northern California, circa 1935-1955, and depict scenes of nature, travel destinations including vacation & historical attractions, architecture, bridges, and various street & cityscapes. All images are in black and white, and most are captioned. Many of the postcards appear to have been removed from Zan's scrapbooks, and for the most part his ordering has been retained.

Photographs, prints, scrapbooks, negatives, posters, printed material, artwork and ephemera relating to May's Photography Studio and Chinese and Asian-American art, culture, and theater in San Francisco's Chinatown, circa early-mid 20th century.

Collection of photographs and research material concerning railroads, street cars and other public transportation in and around Oakland and Berkeley, California from historian, collector and local railway employee William Everard Gardiner (1869-1949). Gardiner worked for the San Francisco-Oakland Terminal Railways and later the Key System (which took over the SF-O Terminal Railways in 1924). He was Instructor and Superintendent of Schedules through at least 1928. Gardiner was an early member of the Pacific Railway Club and Railway and Locomotive Historical Society. He was also a photographer, and the collection contains negatives and prints made by him, along with reproductions of older images. Some of the photographs by Gardiner document the 1906 earthquake’s effects in Berkeley. There is also information on the general history of Alameda County. The collection contains photographs, manuscripts & typescripts on history (some transcribed), correspondence, newspaper & magazine clippings (primarily 1920s Oakland Tribune articles), ephemera including many examples of train tickets, scrapbooks, and other material.

The collection contains correspondence, diaries, photographs, artwork, audiovisual material, and ephemera documenting the Stuart and Hummel families' life and work in China as Methodist missionaries in the late nineteenth and early twentieth centuries. It also contains materials relating to R. Stuart Hummel's work as a cryptographer for the Navy and his work for the U.S. government in the Office of Chinese Affairs and the Office of Civil Defense.