“W.C.H. Robert, Voyage to Cathay, Tartary and the Gold- and Silverrich Islands East of Japan, 1643”. BMGN - Low Countries Historical Review 92, no. 2 (January 1, 1977): 321–322. Accessed November 24, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102161.