1
Commonwealth of Pennsylvania, Department of Health, Bureau of Vital Statistics, Pennsylvania Death Certificates, 1906-1970 (Harrisburg, PA (via Ancestry.com)), Nicholas A. Strazza (filed 24 Nov 1916).
2
Pennsylvania, Allegheny County, 1900 U.S. Census, Population Schedule (Washington, D.C., National Archives and Records Administration), ED 257, Sheet 4, Line 22.
3
Noelle Calabro, The Calabro and Yalenty Families (unpublished) (Pittsburgh, PA, 2 May 1977).
4
Pennsylvania, Allegheny County, 1910 U.S. Census, Population Schedule (Washington, D.C., National Archives and Records Administration), ED 528, Sheet 2, Line 81.