Finch, Herbert, ed. (1965). "General Introduction: Family Relationships"(PDF). George Bancroft Papers at Columbia University, 1811–1901. Collection of Regional History and University Archives, John M. Olin Library, Columbia University. p. 9. Retrieved 27 February 2012.
newenglandballproject.com
Ball, David G. "Alexander Bliss". The New England Ball Project. Retrieved 27 February 2012.