https://digital.katalog.queersearch.org/s/katalog/item/47258 and https://digital.katalog.queersearch.org/s/katalog/item/47257, “Celebration '90 Gay Games III and Cultural Festival Vancouver Canada Mach beim Berliner Team mit!”, 1990, QueerSearch, accessed 14. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/34636