Consists of various scripts and class notes taken during her studies with the WPA-funded Los Angeles Federal Theatre Project, as well as news clippings about the Federal Theater's productions (Box 1, Folder 4) and its workers. Also includes transcripts with notes of her radio show, "Coffee Break", (Box 1, Folders 5-6) broadcast in 1963 on KMPX-FM, San Francisco, California. Lillian Caldwell was a member of the Waitresses, Cashiers, Checkers, Cafeteria, Fountain, and Diary Lunch Girls' Union, Local 48 (Los Angeles, Calif.).