The Emil and Tassia Freed Papers are divided by series: PERSONAL, GENERAL POLITICS, CORRESPONDENCE, HEARING LOCAL 311, IAM and JAIL-1949.

Emil Freed was a long-time political activist and founder of the Southern California Library for Social Studies and Research (SCL). He was born in New York on June 25, 1901 and named Emanuel Rosenberg. His sister Dorothy Eletz was born March 10, 1903; she was given the name Sophie Dorothy Rosenberg. Their mother was Rose Palevsky of Brest-Litovsk, Russia who married their father Abraham Rosenberg on August 20, 1900. She married her second husband, Morris Freed on November 12, 1909; they moved to Los Angeles in September 1910 where the children's names were changed to Dorothy and Emil Freed.

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