Dates: 1970-1988. Size: 3.5 linear feet in 7 boxes, includes 2 audiocassettes. Chicago Public Library, Harold Washington Library Center, Special Collections, Chicago Theater Collection. Draft and final scripts, lyrics and scores, as well as some administrative material such as correspondence for productions and projects on which Warren Casey worked during the 1970s and 1980s. Includes considerable materials relating to Grease, including working notes, draft and final versions of the script and score in its various manifestations, and the published score. Also included are drafts of screenplays for the film version of Grease and its sequel, Grease 2. [Finding aid]