2. James Truslow Adams, The Founding of New England, (1921), pp. 119-122 
 3. Robert Beverly, The History and Present State of Virginia, ed. Louis B. Wright, p. 57. 
 4. Father Andrew White, A Briefe Relation of the Voyage unto Maryland, Narratives of Early Maryland, 1633-1684, ed. Clayton Colman Hall, p. 41. 
 5. John Hammond, Leah and  Rachel, or the Two Fruitful Sisters, Virginia and Maryland (1656), in Hall's Narratives.