Beachy, Robert (2010). "The German Invention of Homosexuality". The Journal of Modern History. 82 (4): 801–838 [835]. doi:10.1086/656077. S2CID142605226.
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Beachy, Robert (2010). "The German Invention of Homosexuality". The Journal of Modern History. 82 (4): 801–838 [835]. doi:10.1086/656077. S2CID142605226.