| Sources |
- [S389] Donald Lines Jacobus, "The Four Spencer Brothers -- Their Ancestors and Descendants." The American Genealogist 27:79, 27:161, 1951; 28:56, 1952.
- [S906] The Ancestry of Lorenzo Ackley and His Wife Emma Arabella Bosworth by N. Grier Parke II, edited by Donald Lines Jacobus. Woodstock, Vermont: The Elm Tree Press, 1960.
- [S101] The Great Migration Begins: Immigrants to New England, 1620-1633, Volumes 1-3 and The Great Migration: Immigrants to New England, 1634-1635, Volumes 1-7, by Robert Charles Anderson. Boston: New England Historic Genealogical Society, 1996-2011.
- [S101] The Great Migration Begins: Immigrants to New England, 1620-1633, Volumes 1-3 and The Great Migration: Immigrants to New England, 1634-1635, Volumes 1-7, by Robert Charles Anderson. Boston: New England Historic Genealogical Society, 1996-2011., "by 1666".
- [S906] The Ancestry of Lorenzo Ackley and His Wife Emma Arabella Bosworth by N. Grier Parke II, edited by Donald Lines Jacobus. Woodstock, Vermont: The Elm Tree Press, 1960., "about 1664".
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