H.P. van Tuyll van Serooskerken, The Netherlands and World War I. Espionage, diplomacy and survival. BMGN - Low Countries Historical Review, [S. l.], v. 117, n. 2, p. 263–264, 2002. DOI: 10.18352/bmgn-lchr.5694. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106534.. Acesso em: 22 nov. 2024.