The Chinese in California collection is comprised of photographs, correspondence, press clippings, typescripts, and other material pertaining to the history of Chinese life and culture in California and other areas in the western United States. Material relates to the academic study of the Chinese experience in the United States and the effort to preserve the historic sites and artifacts pertaining to this experience.

The collection consists of photographs, exhibit labels, and an exhibit catalog from the exhibit Inauditas: Tracing the Sound of Migrant Memories in Venezuelan Women Photographers, which was an exhibition curated by María Del Rosario Acosta and Elena Cardona and organized by the Eastside Arthouse from February 11, 2023 through March 4, 2023.

The Ernest Kanitz papers contain professional and personal correspondence, orchestrations, concert reviews, musical publications, and other material regarding Ernest Kanitz, an Austrian composer and musician. Materials also document his performances and programs of his concerts. Topics covered by the collection include commentaries on music compositions, documentation of his work history, and business materials associated with his work as a professor.

The collection consists of interview transcripts and newspaper clippings related to the history of Japanese-Americans in the Inland Empire, particularly in Riverside, during the early half of the 20th century. Also included in the collection are videocassettes related to the Chinatown excavation in Riverside.