Millie Moser Smith devoted much of her time to social causes, especially those involving farm workers, which she came into contact with through her church membership. The collection consists of articles, booklets, correspondence, ephemera, fliers, journals, membership directories, newsletters, newspaper clippings, pamphlets, photographs, posters, reports, and videocassettes from the National Farm Workers Ministry and related groups that worked on behalf of farm workers.

Tri-Ess is a non-profit educational, social, and support group for heterosexual cross-dressers, their partners or spouses, and their families. The collection contains the records of Tri-Ess and its chapters since its inception in 1973 through 2006. It includes correspondence, directories, corporate documents, flyers, ephemera, newsletters, and photographs. There is considerable documentation on the initial organization of Tri-Ess and numerous publications about cross-dressing.

The collection consists of digital images and videos created by Nicholas Soracco from two days of protesting in Sunland, California for Black Lives Matter in 2020. It documents demonstrations demanding racial equality amid ongoing systemic racism, and confrontations with counter protesters and the police during the COVID-19 pandemic. Soracco was born in 1978 and he grew up in Northern California.

Photo album includes snapshots of Southern California. Views of Catalina, Coronado, Pasadena, Redlands, Riverside, Mexico, the Sweet Water Dam, Hollywood, the San Gabriel Mission, West Lake Park, Hotel Green, and Redondo Beach are included.

The John T. Stamelos Collection contains photographs, ephemera, and clothing acquired by Stamelos while serving as a U.S. Marine in China circa 1945-1946, including a jacket and clutch purchased for his then girlfriend and future wife. The bulk of the collection is comprised of souvenir clothing and accessories.

Glen W. Stevenson was assistant to Frank W. Bireley, founder and head of Bireley's, Inc., producers of Bireley's non-carbonated sodas. Bireley's Inc. is credited with the design and construction of the first automated juice extractor. The collection consists primarily of photographs of the extractor built in the 1950s, as well as some other records, news clippings, and artifacts.

The Harry Stone Dickens Collection contains the scholarly work of Dr. Harry Stone and his collection of Charles Dickens related ephemera and memorabilia.