Record for William Marion Planckhttp://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=0&pid=261823541
↑Ancestry.com. 1900 United States Federal Census (9). (Name: Name: Name: Name: Online publication - Provo, UT, United States: Ancestry.com Operations Inc, 2004.Original data - United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administrati;) Year: 1900; Census Place: Cedar, Cedar, Missouri; Roll: T623_847; Page: 7A; Enumeration District: 49.
↑Ancestry.com. 1900 United States Federal Census (9). (Name: Name: Name: Name: Online publication - Provo, UT, United States: Ancestry.com Operations Inc, 2004.Original data - United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administrati;) Year: 1900; Census Place: Cedar, Cedar, Missouri; Roll: T623_847; Page: 7A; Enumeration District: 49.
↑Ancestry.com. 1900 United States Federal Census (9). (Name: Name: Name: Name: Online publication - Provo, UT, United States: Ancestry.com Operations Inc, 2004.Original data - United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administrati;) Year: 1900; Census Place: Cedar, Cedar, Missouri; Roll: T623_847; Page: 7A; Enumeration District: 49.