BOSSCHER, P. Th. Roodhuyzen, De admiraliteit van Friesland. BMGN - Low Countries Historical Review, [S. l.], v. 119, n. 1, p. 92–93, 2004. DOI: 10.18352/bmgn-lchr.5981. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106861. Acesso em: 25 apr. 2024.