Canons Garth, Helmsley, North Yorkshire : tree-ring analysis of timbers /
Arnold, Alison(Alison Judith)author.
Howard, Robert,1953-author.
English Heritage,publisher.
"Scientific dating report"--cover.
"Intervention and analysis"--cover.
"NGR: SE 61224 83923."
Includes bibliographical references.
Dendrochronology
Also issued online.