"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/ML4D-2CN : accessed 17 Oct 2012), Peter J Jurgens in household of Thee H Jurgens, Hooker, Gage, Nebraska; citing sheet 2B, family 34, NARA microfilm publication T624, FHL microfilm 1374859.