https://digital.katalog.queersearch.org/s/katalog/item/40546, https://digital.katalog.queersearch.org/s/katalog/item/40547, and https://digital.katalog.queersearch.org/s/katalog/item/40548, “Nr. 1 Frauenstadtbuch Berlin”, https://digital.katalog.queersearch.org/s/katalog/item/48594, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/16690