"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MJ7H-ZC3 : accessed 15 Aug 2014), Nellie Pissloznb in household of Anton Pissloznb, Chicago Ward 29, Cook (Chicago), Illinois, United States; citing sheet 9B, family 207, NARA microfilm publication T625, FHL microfilm 1820345.