Series 1: Correspondence, 1922-1977, inclusive

Series 1: Correspondence, 1922-1977, is made up of correspondence between Lillian Cooper, her family, friends, and professional contacts. The bulk of the correspondence is from the 1930s through the 1940s. Topics in the correspondence include labor organizing, socialism, writing, and the experience of being Jewish in the United States. Prominent correspondents include dancer Maudelle Bass Weston, Gertrude W. Klein, one of the first women elected to the City Council of New York, Gertrude M. Ruskin, Comptroller of the United Service for New Americans and Analyst for the Displaced Persons Commission, author Sylvia Chatfield Bates, artist Michael Baxte, German philosopher Beate Berwin, and German writer Gustav Regler.

Correspondence is also present in the Administrative Files and Herman Kobbé papers, especially between Cooper, Kobbé and Laney Stephens.