https://digital.katalog.queersearch.org/s/katalog/item/47431 and https://digital.katalog.queersearch.org/s/katalog/item/47432, “Die Manns : ein Jahrhundertroman”, https://digital.katalog.queersearch.org/s/katalog/item/47685, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/35242