Comprises correspondence, scenarios, choreographic notes, notebooks and notes pertaining to articles, monographic works, stage and television productions, unpublished materials, and early memorabilia. Includes drafts and revisions in holograph and typescript as well as carbon copies and photocopies. De Mille's writing in this collection, parts of which appear in note and draft form, include: And Promenade Home, Dance to the Piper, Speak to Me, Dance with Me, Where the Wings Grow, and the "Russian journals" kept by de Mille (1966 and 1969). Also included are materials relating to the ballets Fall River Legend, Golden Age, Rodeo, Black Ritual, A Rose for Miss Emily, and the ballet sequences in Carousel, Brigadoon, and Oklahoma. Major correspondents include Lily Bess Campbell, Lucia Chase, Allan Devoe, Beulah Flebbe, Carmelita Maracci, Oliver Smith, and Joseph Welch.