https://digital.katalog.queersearch.org/s/katalog/item/40126 and https://digital.katalog.queersearch.org/s/katalog/item/40127, “Aids: Die rätselhafte Krankheit”, https://digital.katalog.queersearch.org/s/katalog/item/47646, QueerSearch, accessed 16. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/16185