Lombardi's translations of Ulrichs' works were self-published, with the editorial and financial support of his partner, Paul Nash, under the imprint "Urania MSS". This imprint also included Lombardi's translations of Hirschfeld's works on Ulrichs, the Pintus Holocaust memoirs and novel, and works on homosexuality by other European authors such as Karoly Maria Benkert, who first used the word "homosexual" in its modern context, Anna Rueling, considered the first lesbian activist, Reimar Lenz, L.S.A.M. von Roemer, Rob Tielman, and Adriaan Venema. The works focus in particular on the history of homosexuality in Germany and the Netherlands and the Nazi persecution of homosexuals. The materials in this subsubseries consist of "master" copies of completed translations, with some photocopies of original publications, notes, and manuscript translations, as well as the business records of the imprint, including invoices, receipts, orders, expenses, correspondence, and draft publicity materials.