The Diana Trilling Papers document the life of literary and cultural critic, Diana Trilling. This collection contains her writings, extensive correspondence with other New York intellectuals, and subject files for her research as well as for the Lionel Trilling Estate.

Personal and professional papers of the notable literary critic. The collection includes correspondence, manuscripts, notes, journals, photographs, drawings and films, and a collection of signed and annotated books and magazines from Dupee's library.

Letters written to Jacobson from Jacques Barzun, William Phillips, Mario Praz, David Stacton, Diana Trilling, and Lionel Trilling, concerning a variety of personal, literary, and academic matters. Also, a Stacton typescript, and one miscellaneous letter.

Personal and Professional papers of writer and magazine editor Leo Lerman. The papers include correspondence, professional papers, topical files, research files, and photographs.

The Lionel Trilling Papers document the life of author, professor, and literary critic, Lionel Trilling. This collection contains his writings, extensive correspondence with other New York intellectuals, personal documents, and other records concerning his professional activities.

Manuscripts, recordings and administrative files related to the Lionel Trilling Seminars which were established as a memorial to Professor Lionel Trilling in 1976.

The Sol Stein Papers chart the literary life of author, editor and publisher, Sol Stein, who in addition to his own career as novelist and playwright, founded the publishing house Stein and Day. His papers contain correspondence with important literary figures; multiple drafts of his plays, novels and non-fiction writing; and correspondence which closely documents the editing process. The papers also include some material relating to Stein's political activities as Executive Director of The American Committee for Cultural Freedom and as Ideological Analyst and writer for The Voice of America.