https://digital.katalog.queersearch.org/s/katalog/item/63943, “Wilhelm Maximilian Wundt: Vater der experimentellen Psychologie”, https://digital.katalog.queersearch.org/s/katalog/item/48907, QueerSearch, accessed 29. April 2025, https://digital.katalog.queersearch.org/s/katalog/item/55861