"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MF2W-QQQ : accessed 12 Oct 2014), Carl Schmdtman, Kossuth, Manitowoc, Wisconsin, United States; citing sheet 12A, family 184, NARA microfilm publication T625, FHL microfilm 1821994.