M.A. Verkade, Den derden dach. Ontstaan en ontwikkeling van de polder Westzaan. BMGN - Low Countries Historical Review, [S. l.], v. 100, n. 1, p. 85–86, 1985. DOI: 10.18352/bmgn-lchr.2545. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102763.. Acesso em: 16 nov. 2024.