Meijer, J.F. “D. Hellema, De Karel Doorman Naar Nieuw-Guinea”. BMGN - Low Countries Historical Review 122, no. 2 (January 1, 2007): 312–313. Accessed December 22, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107537.