The Baker Street Irregulars mss., 1923-2007, consists of correspondence, business files, and publications of the Baker Street Irregulars, a Sherlock Holmes literary society founded in 1934.
The Bloomington Garden Club mss., 1938-2016, consists of the papers, minutes of meetings, scrapbooks, and photograph albums relating to the activities of the Bloomington Garden Club, especially the annual Garden Walk.
The Boerner mss., 1779-1828, consist of manuscripts, journals, and correspondence by and relating to German writers Caroline von Wolzogen, Oskar Seidlin, and Friedrich von Schiller, along with related research material from German literary scholar and Goethe researcher Peter Boerner.
The Bouchercon mss., 1970-2019, consist of program books, badges, tote bags, and other materials associated with The Anthony Boucher Memorial Mystery Convention (Bouchercon).
The Diop mss., 1963-2017, consist of the notebooks, drafts, writings, correspondence, teaching materials, and born-digital materials of Senegalese author and journalist Boubacar Boris Diop, 1946- .
The Eastman mss. V, 1880-2009, consist of the photographs, correspondence, personal papers, writings, and legal documents of Max Eastman, 1883-1969; and Yvette Szekely Eastman, 1912-2014.
The Elder, Robert K. mss. II, 2001-2020, consist of personal correspondence from writer and journalist Robert K. Elder to his collaborator Aaron Vetch.
The Gathorne-Hardy, J., mss., 1705-2017, consist of the correspondence, family materials, journals, and manuscripts of writer Jonathan Gathorne-Hardy, 1933-2019.