Nathaniel Bradstreet Shurtleff Sr. (June 22, 1810 – October 17, 1874) was an American politician, serving as the twentieth mayor of Boston, Massachusetts from January 6, 1868, to January 2, 1871.[4]
^City Council of Boston (1909), A Catalogue of the City Councils of Boston, 1822-1908, Roxbury, 1846-1867, Charlestown 1847-1873 and of The Selectmen of Boston, 1634-1822 also of Various Other Town and Municipal officers, Boston, MA: City of Boston Printing Department, p. 258
^City Council of Boston (1909), A Catalogue of the City Councils of Boston, 1822-1908, Roxbury, 1846-1867, Charlestown 1847-1873 and of The Selectmen of Boston, 1634-1822 also of Various Other Town and Municipal officers, Boston, MA: City of Boston Printing Department, p. 261
^Mayors of Boston: An Illustrated Epitome of who the Mayors Have Been and What they Have Done, Boston, MA: State Street Trust Company, 1914, p. 29
^City Council of Boston (1909), A Catalogue of the City Councils of Boston, 1822-1908, Roxbury, 1846-1867, Charlestown 1847-1873 and of The Selectmen of Boston, 1634-1822 also of Various Other Town and Municipal officers, Boston, MA: City of Boston Printing Department, pp. 258–261