"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/ML4D-LG8 : accessed 12 Oct 2014), John Ommen in household of Benjamin Ommen, Hanover, Gage, Nebraska, United States; citing enumeration district (ED) 55, sheet 5A, family 79, NARA microfilm publication T624, FHL microfilm 1374859.