"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKLP-6YK : accessed 8 March 2017), Jacob Gerber in household of Noah Wulliman, Wabash, Adams, Indiana, United States; citing enumeration district (ED) ED 12, sheet 2A, family 31, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 338; FHL microfilm 1,374,351.
"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KZKV-F9R : 12 December 2014), Jacob Gerber, 1917-1918; citing Adams County, Indiana, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,439,777.
"Indiana Marriages, 1811-2007," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XXJB-X5H : 21 January 2016), Jacob Gerber and Adina Gilliom, 21 Mar 1926; citing Adams, Indiana, United States, various county clerk offices, Indiana; FHL microfilm 2,321,631.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X41F-WL4 : accessed 8 March 2017), Jacob Gerber, Berne, Adams, Indiana, United States; citing enumeration district (ED) ED 17, sheet 8A, line 6, family 187, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 574; FHL microfilm 2,340,309.
"Geneva." The Muncie Morning Star (Muncie, Indiana) 8 Aug 1932: 5. Print.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:V1R9-FC5 : accessed 8 March 2017), Jacob Gerber, Berne, Wabash Township, Adams, Indiana, United States; citing enumeration district (ED) 1-19, sheet 1B, line 67, family 22, 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 1024.