https://digital.katalog.queersearch.org/s/katalog/item/53300 and https://digital.katalog.queersearch.org/s/katalog/item/53301, “The development and maintenance of a homosexual identity”, https://digital.katalog.queersearch.org/s/katalog/item/49253, QueerSearch, accessed 2. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/55785