Columbia subject headings:
America--Discovery and exploration--Portuguese.
Brazil--Discovery and exploration--Portuguese.
Discoveries in geography--Portuguese.
Naval art and science--Portugal--History.
Navigation--Portugal--History.
Harvard subject headings:
America--Discovery and exploration--Portuguese.
Brazil--Discovery and exploration--Portuguese.
Discoveries in geography--Portuguese
Naval art and science--Portugal--History.
Navigation--Portugal--History.
Princeton subject headings:
America--Discovery and exploration--Portuguese.
Brazil--Discovery and exploration--Portuguese.
Discoveries in geography--Portuguese.
Naval art and science--Portugal--History.
Navigation--Portugal--History.