This series contains the writings, correspondence, academic and teaching, and personal papers of Michael Lombardi. The bulk of the materials consists of Lombardi's writings, in particular his translations of the works of Karl Heinrich Ulrichs and Magnus Hirschfeld. The series also includes papers, photocopies, notes and other materials relating to Lombardi's studies of the treatment of homosexuals in German society and literature, and extensive correspondence with other researchers on the subject both in the United States and in Europe.