K. Dittrich, H. Würzner, Nederland en het Duitse Exil 1933-1940. BMGN - Low Countries Historical Review, [S. l.], v. 99, n. 1, p. 102–104, 1984. DOI: 10.18352/bmgn-lchr.2472. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102681.. Acesso em: 22 dec. 2024.