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.

Collections of the organization document the history of the Sisters in Los Angeles and California from 1926-present. Particular emphasis is given to Hungarian immigrant experience and social services with Hispanic neighborhoods. Archives also include records which reflect the activities of the Social Service Auxiliary and Juniors of Social Service.