Gilbert, Davies, ed. (1838). "St Keverne". The Parochial History of Cornwall, Founded on the Manuscript Histories of Mr. Hals and Mr. Tonkin; with Additions and Various Appendices. Vol. 2. London: J. B. Nichols and Son. p. 320.
Gilbert, Davies, ed. (1838). "St Stephen's Near Saltash". The Parochial History of Cornwall, Founded on the Manuscript Histories of Mr. Hals and Mr. Tonkin; with Additions and Various Appendices. Vol. 3. London: J. B. Nichols and Son. pp. 462–463.
Pomeroy, Albert Alonzo (1912). "Trematon Manor and Castle". History and Genealogy of the Pomeroy family. Vol. 1. Toledo, Ohio: The Franklin Printing and Engraving Co. pp. 96–99.