The Portuguese were among the very first European explorers to the Americas, and some Americans claim descent from the parties of the first conquistadors. Subsequent waves of immigration included people from the Azores, the Madeiras, the Cape Verde Islands, continental Portugal and China.
We have listed catalogs and archives outside the Library of Congress that have local histories, censuses, and land records. Look for various genealogy periodicals and publications, lists, useful websites and online databases, as well as services subscribed to by the Library.

The Library of Congress has one of the world's premier collections of local history and genealogy publications, numbering more than 100,000 U.S. and international local histories and over 50,000 compiled family histories.