BOXER, C. P.C. Emmer, Engeland, Nederland, Afrika en de slavenhandel in de negentiende eeuw. BMGN - Low Countries Historical Review, [S. l.], v. 91, n. 2, p. 314–315, 1976. DOI: 10.18352/bmgn-lchr.1947. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102109. Acesso em: 21 jan. 2022.