https://digital.katalog.queersearch.org/s/katalog/item/38910 and https://digital.katalog.queersearch.org/s/katalog/item/38911, “Und morgen sag ich es!”, https://digital.katalog.queersearch.org/s/katalog/item/47794, QueerSearch, accessed 19. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/5008