United States Bureau of Census. 1820. "Fourth Census of the United States, 1820. Alexandria County, District of Columbia." Washington, DC: National Archives and Records Administration. Ancestry.com [database on-line] Lehi, UT, USA: Ancestry.com Operations Inc, 2004.
Part of United States Bureau of Census. 1820. "Fourth Census of the United States, 1820. Alexandria County, District of Columbia." Washington, DC: National Archives and Records Administration. Ancestry.com [database on-line] Lehi, UT, USA: Ancestry.com Operations Inc, 2004.