https://digital.katalog.queersearch.org/s/katalog/item/41680 and https://digital.katalog.queersearch.org/s/katalog/item/47458, “Der Oscar Wilde von Schwerin : die Chronik der Pornoaffäre Sebastian Bleisch”, https://digital.katalog.queersearch.org/s/katalog/item/51172, QueerSearch, accessed 17. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/35289