https://digital.katalog.queersearch.org/s/katalog/item/39664 and https://digital.katalog.queersearch.org/s/katalog/item/39665, “Ethische Probleme in Lebenskrisen.”, https://digital.katalog.queersearch.org/s/katalog/item/48217, QueerSearch, accessed 2. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/5801