The John L. Brown papers 1, consist of 99 folders of correspondence from literary and artistic luminaries, including writers Sylvia Beach, John Dos Passos, Anne Fremantle, Katherine Anne Porter, Alice B. Toklas; philosopher Jacques Maritain; photographer Brassai; poets Marianne Moore, Wallace Stevens, and Giuseppe Ungaretti, and many more. Correspondence is arranged alphabetically.
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).