https://digital.katalog.queersearch.org/s/katalog/item/51434, “Going Gay: identities life cycles and lifestyles in the male gay world”, https://digital.katalog.queersearch.org/s/katalog/item/49253, QueerSearch, accessed 1. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/55117