Thomas Browne (1605-1688) immigrated in 1637 from England to Sudbury, Massachusetts, and later moved to Concord and then to Cambridge, Massachusetts. Descendants lived throughout most of the United States.

This ten-year supplement lists 10,000 titles acquired by the Library of Congress since 1976--this extraordinary number reflecting the phenomenal growth of interest in genealogy since the publication of Roots. An index of secondary names contains about 8,500 entries, and a geographical index lists family locations when mentioned.

Includes entries for maps and atlases.