"United States Census, 1940," database with images, FamilySearch (
https://familysearch.org/ark:/61903/1:1:K4VS-74D : 15 March 2018), Philip Smulovitch, Ward 14, Boston, Boston City, Suffolk, Massachusetts, United States; citing enumeration district (ED) 15-505, sheet 10A, line 13, family 228, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1673.