The collection contains typed manuscripts and galley proofs for novels and screenplays by William P. Blatty. It also contains research materials related to the Exorcist, including letters from Father William S. Bowdern (1968-1975).
The Panama Hattie Collection contains a screenplay for the film "Panama Hattie" and a typescript of the play by that same name. Dated July 10, 1941, the screenplay was actor Dan Dailey's personal copy. The screenplay is 117 pages long. Deriving from State Fair Musicals in 1954, the typescript includes several pencil sketches among the pages.