Ladewig Petersen, E. 1985. “J. C. Boyajian: Portuguese Bankers at the Court of Spain, 1626-1650. New Brunswick (NJ), Rutgers University Press, 1983. XIV + 289 S. $ 35.00”. Historisk Tidsskrift 14 (januar). https://tidsskrift.dk/historisktidsskrift/article/view/52789.