W.F.J. Mörzer Bruyns, Schip recht door zee. De octant in de Republiek in de achttiende eeuw. BMGN - Low Countries Historical Review, [S. l.], v. 119, n. 3, p. 416–418, 2004. DOI: 10.18352/bmgn-lchr.6108. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107000.. Acesso em: 18 jul. 2024.