"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XH63-QN5 : accessed 3 January 2018), Benjemin F Allen, Filer, Twin Falls, Idaho, United States; citing enumeration district (ED) ED 11, sheet 4A, line 16, family 71, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 403; FHL microfilm 2,340,138.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDZ9-SYV : accessed 3 January 2018), Benjamin F Allen, Filer, Twin Falls, Idaho, United States; citing ED 243, sheet 18B, line 88, family 300, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 295; FHL microfilm 1,820,295.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XH63-QN5 : accessed 3 January 2018), Benjemin F Allen, Filer, Twin Falls, Idaho, United States; citing enumeration district (ED) ED 11, sheet 4A, line 16, family 71, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 403; FHL microfilm 2,340,138.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VY41-FL4 : accessed 3 January 2018), Benjamin F Allen, Filer Election Precinct, Twin Falls, Idaho, United States; citing enumeration district (ED) 42-15, sheet 3B, line 64, family 63, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 754.
"Utah Marriages, 1887-1935," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F8P5-DH3 : 5 December 2014), Benjamin F Allen and Miss Emma Carson, 25 Sep 1897; citing Provo, Utah, Utah; FHL microfilm 488,400.
"Idaho Death Certificates, 1938-1961," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2M1-RZJF : 1 February 2016), Benjamin F Allen, 10 Jan 1954; citing Death, Filer, Twin Falls, Idaho, United States, Department of Health and Welfare, Boise..
"BillionGraves Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QL56-MR21 : 26 September 2017), Benjamin F. Allen, died 10 Jan 1954; citing BillionGraves (http://www.billiongraves.com : 2012), Burial at Independent Order of Odd Fellows Cemetery, Filer, Twin Falls, Idaho, United States.