"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M9N4-9CV : accessed 05 Jun 2014), Harry Gross, District 3 Paterson city Ward 2, Passaic, New Jersey, United States; citing sheet 10B, family 227, NARA microfilm publication T623, FHL microfilm 1240991.