FRIJHOFF, W. G. Paape, P. Altena, Mijne vrolijke wijsgeerte in mijne ballingsschap, P. Altena, ed. BMGN - Low Countries Historical Review, [S. l.], v. 112, n. 3, p. 425–426, 1997. DOI: 10.18352/bmgn-lchr.4540. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105228. Acesso em: 19 apr. 2024.