The Bob McCaffery Collection on the Save the Hughes Flying Boat Campaign (1980-1983) documents efforts by activists to preserve the plane from destruction and its subsequent acquisition by the Aero Club of Southern California in 1980. The collection contains photographs and newspaper clippings about the Hughes H-4 Hercules flying boat nicknamed the "Spruce Goose" from the 1980s.

The William Hillman Shockley Photograph Collection (1875-1925, 1951) contains black-and-white photographs documenting mining operations at the Mount Diablo Mine and Millworks in Candelaria, Nevada. It also includes photographs of nearby operations including the Northern Belle Mine and the Princess Mill. The collection contains photographs of Shockley, his son, William Bradford Shockley, as an infant, as well as images of Shockley’s brothers, Walter A. Shockley and George Shockley.