Peter Jan Knegtmans, Geld, ijdelheid en hormonen. Ernst Laqueur (1880-1947), hoogleraar en ondernemer. BMGN - Low Countries Historical Review, [S. l.], v. 131, n. 2, 2016. DOI: 10.18352/bmgn-lchr.10195. Disponível em: https://ojstest.minions.amsterdam/article/view/6442.. Acesso em: 2 jul. 2024.