Sources |
- [S223] Ancestry.com, 1930 Federal Census, Noble, Richland County, Illinois, District 11, page 6b, (http://search.ancestry.com/Browse/BookView.aspx?dbid=6224&iid=4584635_00138&sid=&gskw=), none. (Reliability: 2).
- [S641] http://www.findagrave.com, Headstone, Pflaum, Ralph E. and Minerva L., (https://www.findagrave.com/memorial/51164509/ralph-ernest-pflaum), none. (Reliability: 2).
- [S642] http://www.findagrave.com, Obituary, Pflaum, Ralph, (https://www.findagrave.com/memorial/51164509/ralph-ernest-pflaum), none.
- [S408] Richland County Genealogical and Historical Society, Olney, Illinois, 1910 Federal Census, Denver Township, Richland County, Illinois, (https://www.ancestry.com/discoveryui-content/view/5845399:7884), Page 95, Family #43, none. (Reliability: 2).
- [S43] Richland County Genealogical and Historical Society (Olney, Richland County Illinois), 1900 Federal Census, Noble Township, Richland County, Illinois, (Richland County Genealogical and Historical Society, 1982 Edition), Page 215, Family #207, none. (Reliability: 2).
- [S343] Richland County Genealogical and Historical Society, Olney, Illinois, 1920 Federal Census, Noble Township, Richland County, Illinois, (1994 Edition), Page 128, Family #16, none. (Reliability: 2).
- [S1385] http://www.findagrave.com, Headstone, Pflaum, Cordia and John, (https://www.findagrave.com/memorial/25201137/john-william-pflaum) (Reliability: 2).
- [S643] http://www.findagrave.com, Obituary, Pflaum, Minerva, 94, (http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=51164527), none. (Reliability: 2).
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