Sources |
- [S1077] http://www.findagrave.com, Headstone, Hasler, Christian, (https://www.findagrave.com/memorial/42305504/christian-charles-hasler), none. (Reliability: 2).
- [S1078] Richland County Genealogical and Historical Society, Olney, Illinois, 1900 Federal Census, Olney Township, Richland County, Illinois, (1982 Edition), Page 347, Family #110, none. (Reliability: 2).
- [S1079] Richland County Genealogical and Historical Society, Olney, Illinois, 1920 Federal Census, Olney Township, Richland County, Illinois, (1994 Edition), Page 253, Family #25, none. (Reliability: 2).
- [S1080] Richland County Genealogical and Historical Society, Olney, Illinois, 1870 Federal Census, Olney Township, Richland County, Illinois, (1981 Edition), Page 214, Family #1 (Reliability: 2).
- [S1081] Richland County Genealogical and Historical Society, Olney, Illinois, 1910 Federal Census, Olney Township, Richland County, Illinois, (Richland County Genealogical and Historical Society, Olney, Illinois, 1986 Edition), Page 333, Family #246, none. (Reliability: 2).
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