(en) Ziba C. (Ziba Cary) Keith, A genealogy of the descendants of Benjamin Keith through Timothy, son of Rev. James Keith, together with an historical sketch of the early family and personal reminiscences of recent generations, Brockton, G. A. Goodall, printer, (lire en ligne)
mtholyoke.edu
(en) « Marcia Anna Keith 1883 », sur www.mtholyoke.edu, Mount Holyoke College. Bulletin Series 30, no. 5: Alumnae Association of Mount Holyoke College, South Hadley, Massachusetts (consulté le )