| Sources |
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Record for Earl B. Callahan
http://search.ancestry.com/cgi-bin/sse.dll?db=ssdi&h=8883786&indiv=try
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Record for Earl Brenner Callahan
http://search.ancestry.com/cgi-bin/sse.dll?db=WW1draft&h=9688810&indiv=try
- [S11] Ancestry.com, 1920 United States Federal Census, (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;), Year: 1920; Census Place: Columbus, Adams, Illinois; Roll: T625_296; Page: 8A; Enumeration District: 7; Image: 127.
Record for Lawerence L Callahan
http://search.ancestry.com/cgi-bin/sse.dll?db=1920usfedcen&h=8510292&indiv=try
- [S436] Ancestry.com, 1910 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2006;), Year: 1910; Census Place: Columbus, Adams, Illinois; Roll: T624_229; Page: 7A; Enumeration District: 0007; FHL microfilm: 1374242.
Record for Lawrance L Callahan
http://search.ancestry.com/cgi-bin/sse.dll?db=1910USCenIndex&h=4220470&indiv=try
- [S440] Ancestry.com, 1900 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2004;), Year: 1900; Census Place: Columbus, Adams, Illinois; Roll: 235; Page: 8A; Enumeration District: 0104; FHL microfilm: 1240235.
Record for Lawrance Callahan
http://search.ancestry.com/cgi-bin/sse.dll?db=1900usfedcen&h=9810449&indiv=try
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