Sources |
- [S11643] http://www.findagrave.com, Headstone, Warren, Maud and Charles, (https://www.findagrave.com/memorial/6072451/charles-francis-warren), none. (Reliability: 2).
- [S1398] Ancestry.com, 1940 United States Federal Census, Stanford Township, Clay County, Illinois, (District 13-20), image 04, page 2a, (https://www.ancestry.com/interactive/2442/M-T0627-00769-00480?backurl=https%3a%2f%2fsearch.ancestry.com%2fsearch%2fdb.as) (Reliability: 2).
- [S11609] https://www.findagrave.com, Obituary, Warren, Jacob Arthur "Jake", (https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=18792768), none. (Reliability: 2).
- [S11610] https://www.findagrave.com, Headstone, Warren, Lucy and Jacob A., (https://www.findagrave.com/memorial/18792768/jacob-arthur-warren), none. (Reliability: 2).
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