Ancestry.com, 1840 United States Federal Census (Provo, UT, USA: Ancestry.com Operations, Inc., 2010).

• Title	Ancestry.com, 1840 United States Federal Census (Provo, UT, USA: Ancestry.com Operations, Inc., 2010).
  Short Title	1840 United States Federal Census
  Repository	Ancestry.com
  Source ID	S40
  Text	Sixth Census of the United States, 1840. (NARA microfilm publication M704, 580 rolls). Records of the Bureau of the Census, Record Group 29. National Archives, Washington, D.C.
  Linked to	Stephen Catron