[S153] Alva M Tuttle, Compiler, Tuttle-Tuthill Lines in America (Columbus, Ohio: Estel Printing Service, 1968; reprint Salem, Massachusetts: Higginson Book Company). Repository: Richard Smith Damon Arlington, Middlesex County, Massachusetts, in. Hereinafter cited as Tuttle Lines.
[S69] United States Census, 1900, Albert Henry Tuttle, Massachusetts, Middlesex County, Cambridge, Enumeration District 693, Page 8A, Lines 32-36. (Ancestry, http://www.ancestry.com).
[S288] Directory of Deceased American Physicians, 1804-1929 (Chicago: American Medical Association, 1993; reprint Provo, Utah: Myfamily.com, 2004), Albert Henry Tuttle.
[S256] Massachusetts: Middlesex County, Cambridge, Mt. Auburn Cemetery, online Ancestry.com.
[S190] Social Security Death Index: U.S., Vol 1&2, Ed 7., CD-ROM (n.p.: Ancestry.com). Hereinafter cited as Social Security Death Index.
[S59] United States Census, 1920, Albert Henry Tuttle, Massachusetts, Middlesex County, Cambridge, Enumeration District 60, Sheet 4B, Lines 73-77. (Ancestry, http://www.ancestry.com).
[S287] United States Census, 1870, Joseph Tuttle, Massachusetts, Suffolk County, Boston, Ward 12, Page 417B, Lines 1-4, M593_647. (Ancestry, http://www.ancestry.com).