The Rogers, H.M. mss., 1895-1930, consist of letters from Booth Tarkington, 1869-1946, author, to Herbert Milton Rogers, 1870?-1931, lawyer, of Omaha, Nebraska, and former classmate of Tarkington at Princeton University.
The Overstreet mss., 1894-1985, consist of the correspondence, writings, lecture material, and memorabilia of married couple Harry Allen Overstreet and Bonaro Wilkinson Oversteet, who together wrote a bestselling book on Communism.
The Eastman mss. IV, 1890-2009, consist of the photographs, correspondence, personal papers, writings, and artwork of Max Eastman, 1883-1969; Yvette Szekely Eastman, 1912-2014; and Eliena Krylenko Eastman, 1895-1956.
The Amfiteatrov mss., 1890-1948, consists of the correspondence and writings of journalist and playwright Aleksandr Valentinovich Amfiteatrov, 1862-1938.
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.