"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MKY2-F91 : accessed 04 Jul 2014), Joseph Sweryczauska in household of Jan Sweryczauska, Jersey City Ward 10, Hudson, New Jersey, United States; citing enumeration district (ED) 192, sheet 18A, family 344, NARA microfilm publication T624, FHL microfilm 1374904.1