This collection contains papers documenting the activities of Joseph Roos (1905-1999) from his retirement from the Community Relations Committee of the Jewish Federation Council in 1969 until his death in 1999. These papers include correspondence, research files, memoranda and publications. Some documentation of Roos's earlier activities investigating the activities of the German Bund in Los Angeles in the 1930s is also present.

Catherine G. Stern was a social activist for civil and human rights. The papers contain correspondence, administrative papers, reports, and publications from the Los Angeles County Commission on Human Relations, the Community Relations Conference of Southern California, the U. S. Commission on Civil Rights, and other civic, educational, and artistic organizations with which Stern was involved.