Faris, David, <i>Plantagenet Ancestry of Seventeenth-Century Colonists</i> (Boston: New England Historic Genealogical Society, 1999. [2nd Edition]), pp. 93, 105, 124, 254, Los Angeles Public Library, Gen 974 F228 1999.
Richardson, Douglas, <i>Plantagenet Ancestry: A Study in Colonial and Medieval Families</i> (Baltimore: Genealogical Publishing Company, 2004.), pp. 159, 216, 250, 278, 541, Family History Library, 942 D5rd.
Cokayne, George Edward, <i>The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant</i> (London: St. Catherine Press, 1910.), 4:7, Los Angeles Public Library, 929.721 C682.
Cokayne, G., <i>CP</i>, 11:568.
Richardson, Douglas, <i>Magna Carta Ancestry: A Study in Colonial and Medieval Families</i> (Baltimore: Genealogical Publishing Co., 2005.), pp. 668, 802.
Weis, Frederick Lewis, <i>The Magna Charta Sureties, 1215</i> (5th ed., Baltimore: Genealogical Publishing Co., 1999.), 8A-10, Los Angeles Public Library, 929.273 W426 1999.
<i>Collections for a History of Staffordshire</i> (Birmingham: William Salt Archaeological Society, 1888.), 9 (2): 79, Family History Library, 942.46 B4sc.
