Columbia subject headings:
Camões, Luís de, 1524?-1580. Lusíadas--Bibliography.
Portugal--History--Bibliography.
Harvard subject headings:
Camões, Luís de, 1524?-1580. Lusíadas--Bibliography.
Portugal--History--Bibliography.
Princeton subject headings:
Camões, Luís de, 1524?-1580. Lusíadas--Bibliography.
Portugal--History--Bibliography.