"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M5MY-QT5 : accessed 20 Feb 2014), Louis Cassio in household of Angelina Cassio, Manhattan Ward 19, New York, New York, United States; citing sheet , family 85, NARA microfilm publication T624, FHL microfilm 1375053. RIN: MH:SC50