J.L. van der Gouw, De Landscheidingen tussen Delfland, Rijnland en Schieland. BMGN - Low Countries Historical Review, [S. l.], v. 103, n. 4, p. 654–655, 1988. DOI: 10.18352/bmgn-lchr.3023. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103399.. Acesso em: 24 nov. 2024.