Letters of Mathew Cradock to John Winthrop, see Collections of the Massachusetts Historical Society, Series IV Vol. 6 (The Society, Boston 1863), pp. 118-30.
Will of Mathew Cradock (P.C.C. 1641): printed in W.H. Whitmore, 'Notes on the Cradock Family', New England Historical and Genealogical Register, IX (1855), pp. 123-26.
W.G. Watkins, 'Notes from English Records', New England Historical and Genealogical Register January 1910, LXIV, pp. 85-87, with reference to the Chancery case Andrewes v Glover.