SCHAPER, H.A. Het Nederlandse veiligheidsbeleid 1945-1950. BMGN - Low Countries Historical Review, [S. l.], v. 96, n. 2, p. 277–299, 1981. DOI: 10.18352/bmgn-lchr.2243. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102422.. Acesso em: 7 oct. 2024.