Library of Congress
Loc: Portuguese Mapping the New World
The Library of Congress provides a discussion of the importance of Portugal in the "European Age of Discovery and Exploration." Includes links to related pages within this same Library of Congress site.
Library of Congress
Loc: Portuguese Exploration Along the Northeast Coast of North America
This site, which is provided for by the Library of Congress, gives a history of the Portuguese explorations of North America. The information is fairly brief, but factual, and worth checking out on the subject.