https://digital.katalog.queersearch.org/s/katalog/item/44039, “Max Stirner: Leben - Weltanschauung, Vermächtnis”, https://digital.katalog.queersearch.org/s/katalog/item/49340, QueerSearch, accessed 1. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/27267