The Renate Caldwell papers, MS257, includes 200 videotapes with transcripts pertaining to her documentary No Key to Turn. With backing from the Texas Committee for the Humanities and the Frank E. Gannett Foundation, Caldwell produced and directed No Key to Turn. The documentary explores housing discrimination, public housing, and poor living conditions in South El Paso. The papers date 1967 – 1983, bulk 1980 – 1981. Types of records include correspondence and subject files, video logbooks, research notes, and videotapes.