BERKEL, K. van. Landschap, natuur en nationale identiteit. Ter inleiding. BMGN - Low Countries Historical Review, [S. l.], v. 121, n. 4, p. 597–604, 2006. DOI: 10.18352/bmgn-lchr.6521. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107466. Acesso em: 7 aug. 2022.