https://digital.katalog.queersearch.org/s/katalog/item/39087 and https://digital.katalog.queersearch.org/s/katalog/item/39088, “Pigalle”, https://digital.katalog.queersearch.org/s/katalog/item/47890, QueerSearch, accessed 19. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/5211