https://digital.katalog.queersearch.org/s/katalog/item/41968 and https://digital.katalog.queersearch.org/s/katalog/item/41969, “Tom of Finland: The Art of Pleasure”, https://digital.katalog.queersearch.org/s/katalog/item/47087, QueerSearch, accessed 30. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/19565