Ancestry.com, U.S. Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project) (Provo, UT, USA: Ancestry.com Operations, Inc., 2010).

• Titel	Ancestry.com, U.S. Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project) (Provo, UT, USA: Ancestry.com Operations, Inc., 2010).
  Kurztitel	U.S. Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)
  Aufbewahrungsort	Ancestry.com
  Quellen-Kennung	S761
  Text	Selected U.S. Naturalization Records. Washington D.C.: National Archives and Records Administration. View Full Source Citations.
  Verknüpft mit	ERDMANN, Christian Michael