Winthrop, John (1853). The History of New England from 1630 to 1649. New York: Little, Brown and co. Retrieved December 11, 2008. Second publication of the original text of John Winthrop's journal.
Winthrop, John (1853). The History of New England from 1630 to 1649. New York: Little, Brown and co. p. 442. In a letter to his wife, Winthrop put the number of passengers at 700 persons, 240 cows, and 60 horses.
Society, New England Historic Genealogical (1921). "Leaders in the Winthrop Fleet, 1630". The New England Historical and Genealogical Register. 25: 236. Retrieved December 11, 2008.