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- [S1231] Early Yorkshire Charters: Volume 10 edited by William Farrer and Charles Travis Clay. Cambridge University Press, 1955.
- [S991] Early Yorkshire Families ed. Charles Travis Clay and Diana E. Greenway. Yorkshire Archaeological Society, 1973.
- [S1016] Medieval English Ancestors of Robert Abell by Carl Boyer III. Santa Clarita, California, 2001.
- [S2147] George Grazebrook, "Descent in the Male Line of the Family of Grazebrook from 1065, with Proofs for each Generation." Miscellanea Genealogica et Heraldica series 4, volume 3 (1910), pages 106, 198, 254.
- [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant ed. Vicary Gibbs, H. A. Doubleday, Duncan Warrand, Howard de Walden, Geoffrey H. White and R. S. Lea. 2nd edition. 14 volumes (1-13, but volume 12 spanned two books), London, The St. Catherine Press, 1910-1959. Volume 14, "Addenda & Corrigenda," ed. Peter W. Hammond, Gloucestershire, Sutton Publishing, 1998.
- [S4384] George Eldridge, Hydrographer, and Eliza Jane His Wife: Their Ancestors and Their Descendants by Henry James Young. Carlisle, Pennsylvania: 1982.
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