Cortesão, A., & Correia, M. (1954). The nautical chart of 1424 and the early discovery and cartographical representation of America: A study on the history of early navigation and cartography. [Coimbra]: University of Coimbra.

Cortesão, Armando, and Maximino Correia. The Nautical Chart of 1424 and the Early Discovery and Cartographical Representation of America: A Study On the History of Early Navigation and Cartography. [Coimbra]: University of Coimbra, 1954.

Cortesão, Armando, and Maximino Correia. The Nautical Chart of 1424 and the Early Discovery and Cartographical Representation of America: A Study On the History of Early Navigation and Cartography. [Coimbra]: University of Coimbra, 1954.