Weis, F. L., Adams, A., & Sheppard, W. L. (1979). The Magna Charta sureties, 1215: The barons named in the Magna Charta, 1215, and some of their descendants who settled in America, 1607-1650 (3rd ed., with additions and corrections.). Baltimore: Genealogical Pub. Co..

Weis, Frederick Lewis, Arthur Adams, and Walter Lee Sheppard. The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215, and Some of Their Descendants Who Settled in America, 1607-1650. 3rd ed., with additions and corrections. Baltimore: Genealogical Pub. Co., 1979.

Weis, Frederick Lewis, Arthur Adams, and Walter Lee Sheppard. The Magna Charta Sureties, 1215: The Barons Named in the Magna Charta, 1215, and Some of Their Descendants Who Settled in America, 1607-1650. 3rd ed., with additions and corrections. Baltimore: Genealogical Pub. Co., 1979.