Previously published by Magna Carta, Baltimore. Published as a set by Genealogical Publishing with the two vols. of the Genealogies in the Library of Congress, and the two vols. of the Supplement. Set ISBN is 0806316691.

This book starts with Jacob Milton Bergen, Sr. and his wife, Mary Alice Baylis, who were married in 1888, and looks back to trace the direct line ancestors of both. They were both born in New York. "In 1920 Grandma and Grandpa Bergen purchased Cemetery plots in Powell Cemetery at Farmingdale, LI., now Bethpage. ... Grandma Berden died in 1947. Grandpa Bergen died in 1950. The Powell and Baylis parents, grandparents, and great grandparents of Grandma are buried there."--P. 21. The old Bergen Farm is " ... now a part of the Kennedy Airport of Queens County, New York."--P. 1. Ancestors, descendants and relatives lived in New York, New Jersey, Florida, Ohio, Pennsylvania, Maine, Maryland and elsewhere.

Includes entries for maps and atlases.