“Familien-Chronik Jaeger: Prof. Dr. med. Gustav Eberhard Jaeger 1832-1917: "Ein ungewöhnlicher Mann"”, https://digital.katalog.queersearch.org/s/katalog/item/48435, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/29483