Sources |
- [S612] 1910 Census Texas, Callahan Co., Texas, Callahan Co., (www.ancestry.com: National Archives and Records Administration, n.d.), T624, Precinct 8, enumeration district (ED) 19, sheet 8A, p. 9, dwelling 136, family 136, John T Cook, accessed 25 May 2011 (Reliability: 4), 25 May 2011.
- [S614] 1930 Census Texas, Callahan Co., Texas, Callahan Co., (www.ancestry.com: National Archives and Records Administration, n.d.), T626, Putnam, enumeration district (ED) 30-11, sheet 5A, p. 9, dwelling 104, family 110, John T. Cook, accessed 26 May 2011 (Reliability: 4), 26 May 2011.
|