“Annual of Sexual Intermediaries with Special Reference to Homosexuality (Volume 1, 1899): Edited with the Collaboration of Renowned Authors in the Name of the Scientific Humanitarian Committee: Translated by Michael Lombardi-Nash”, https://digital.katalog.queersearch.org/s/katalog/item/49217, QueerSearch, accessed 2. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/29653