https://digital.katalog.queersearch.org/s/katalog/item/43211 and https://digital.katalog.queersearch.org/s/katalog/item/43212, “Coming-Out-Probleme durch AIDS: Eine empirische Untersuchung”, https://digital.katalog.queersearch.org/s/katalog/item/40631, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/25731