The Henderson mss., 1975-2005, consists primarily of the papers and manuscripts of author and editor Bill Henderson, who founded the Pushcart Press and the Pushcart Prize.
The Chicano Writers mss., 1973-2005, consists of the writings of several Chicano writers submitted to editor and publisher Cecilio García-Camarillo for review.
The Haymarket Books mss., 1969-2010, consist of imprints produced by publisher Haymarket Books as well as issues of the International Socialist Review.
The Anderson mss., 1967-2004, consist of the correspondence, catalogs, and ephemera of Frank John Anderson related to private press publishing, miniature books, and book collecting.
The Irving mss, 1966-2012, consist of manuscripts, typescripts, and material of novelist and screenwriter John Irving (b. 1942), as well as correspondence and printed matter relating to his career.
The Red Dust mss., 1963–2010, consists of the papers and business records of Red Dust Inc., including manuscript drafts and proofs, correspondence with authors and translators, and additional book production materials.