https://digital.katalog.queersearch.org/s/katalog/item/41303 and https://digital.katalog.queersearch.org/s/katalog/item/42459, “Viorosa, Cosy Pièro 1985 – München leuchtet”, 1985, QueerSearch, accessed 14. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/20719