Ancestry.com. Biographies of Notable Americans, 1904 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 1997.Original data: Johnson, Rossiter, ed.. Twentieth Century Biographical Dictionary of Notable Americans. Vol. I-X. Boston, MA, USA: The Biographical Society, 1904.
With more than thirty thousand entries, this encyclopedia of important Americans spans the history of the nation from the first arrivals in the 17th Century through the end of the 19th Century. Rich in detail, each entry includes a short family history and a record of the important accomplishments of the individual.