K.M.M. de Leeuw, Cryptology and statecraft in the Dutch Republic. Cryptologie en buitenlands beleid in de Republiek der Verenigde Nederlanden. BMGN - Low Countries Historical Review, [S. l.], v. 117, n. 1, p. 103–104, 2002. DOI: 10.18352/bmgn-lchr.5629. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106462.. Acesso em: 23 nov. 2024.