The Detmold mss., 1874-1882, consists of the papers of Christian Edward Detmold, 1810-1887, a civil engineer born in Hanover, Germany known for his translations.
The Devenyi mss. consists of the manuscripts, original illustrations, and other relevant materials, ca. 2002, for the miniature book "My Name is Leonard," published by Beaux Art Publishing under the direction of Mary and Paul Devenyi.
The DeVincent mss., ca. 1922-1997, consists primarily of correspondence, notes, photographs, etc., of musician and radio entertainer Sam DeVincent, 1918-1997.
The Dewhurst mss., 1990-1991, consists of drafts of the autobiography of Colleen Dewhurst, 1924-1991, an actor known especially for her Eugene O'Neill roles.
The Diamant, Alfred mss., 1917-2012, consists of the personal correspondence, emails, school records, military papers, birth and marriage certificates, and family trees of Alfred Diamant. It also includes various drafts and pre-publication copies of his and his wife's co-authored memoir Worlds Apart, Worlds United: A European-American Story.
The Dickey mss., 1872-1941, consists of the papers of John Marcus Dickey, 1859-1950, secretary, platform manager, and biographer of James Whitcomb Riley.