https://digital.katalog.queersearch.org/s/katalog/item/45297, “Die Renaissance: Savonarola, Cesare Borgia, Julius II, Leo X., Michelangelo: Historische Szenen”, https://digital.katalog.queersearch.org/s/katalog/item/46983, QueerSearch, accessed 1. Mai 2025, https://digital.katalog.queersearch.org/s/katalog/item/30091