BOOTSMA, N. J.J. Huizinga, Friesland en de tweede wereldoorlog. BMGN - Low Countries Historical Review, [S. l.], v. 113, n. 3, p. 450–451, 1998. DOI: 10.18352/bmgn-lchr.4797. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105514. Acesso em: 27 apr. 2024.