The Department of Archives and Special Collections, of the Hannon Library, Loyola Marymount University, acquires, organizes, and opens to research, primary source materials in the arts, humanities, education, and religion.

The Yosemite Archives contain historical records and manuscripts related to Yosemite's history, including the donated papers of ethnographers and scientists, resource management records, historic park administrative records, and slide, photo, and film collections.