"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KM1L-WYW : accessed 25 Sep 2012), Thomas P Trauernicht, Glenville Township, Clay, Nebraska, United States; citing enumeration district (ED) 18-9, sheet 5A, family 89, NARA digital publication T627, roll 2241.