https://digital.katalog.queersearch.org/s/katalog/item/43490, “Crossing over the Line: Legislating, Morality and the Mann Act”, https://digital.katalog.queersearch.org/s/katalog/item/47802, QueerSearch, accessed 16. März 2025, https://digital.katalog.queersearch.org/s/katalog/item/26304