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- [S24] 1920 United States Federal Census, Year: 1920; Census Place: Burlington, Middlesex, Massachusetts; Roll: T625_706; Page: 6B; Enumeration District: 22.
- [S29] 1910 United States Federal Census, Year: 1910; Census Place: Burlington, Middlesex, Massachusetts; Roll: T624_595; Page: 6A; Enumeration District: 0741; FHL microfilm: 1374608.
- [S122] United States World War II Draft Registration Cards, 1942, database with images, FamilySearch.
"United States World War II Draft Registration Cards, 1942," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:V12P-HYC : 9 March 2018), Carl Frederick Bamberg, 1942; citing NARA microfilm publication M1936, M1937, M1939, M1951, M1962, M1964, M1986, M2090, and M2097 (Washington D.C.: National Archives and Records Administration, n.d.).
- [S183] United States Census, 1920.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXBV-LWR : accessed 19 March 2018), Carl F Bamberg in household of Charles Bamberg, Burlington, Middlesex, Massachusetts, United States; citing ED 22, sheet 6B, line 93, family 157, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 706; FHL microfilm 1,820,706.
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