The Eoyang mss., ca. 1974-1980, consist primarily of the correspondence and papers of Indiana University Professor of Comparative Literature, Eugene Chen Eoyang, relating to his translations from Chinese into English.
Lockridge mss. III, circa 1837-2000, consists of the correspondence, unpublished manuscripts, photos, papers, and audio tapes pertaining to the life and work of author Ross Lockridge, Jr., 1914-1948, and the Lockridge family.
The Ferguson, A. Claude mss., ca. 1970–2009, consist of the correspondence, collected subject files, writings and legal records of Claude Ferguson, a career employee of the U.S. Forest Service who was instrumental in the creation of the Charles C. Deam Wilderness area, Indiana's only Federal Wilderness area, in the Hoosier National Forest.
The O'Brian mss., ca. 1970-1994, consists primarily of notes and full-text manuscripts of author Patrick O'Brian's historical sea novels. Autograph manuscripts for eighteen of the twenty published novels are present.