W.H. Salzmann, Bedrijfsleven, overheid en handelsbevordering. The Netherlands chamber of commerce in the United States, inc. 1903-1987. BMGN - Low Countries Historical Review, [S. l.], v. 111, n. 3, p. 422–424, 1996. DOI: 10.18352/bmgn-lchr.4322. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104960.. Acesso em: 2 jul. 2024.