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2. A. Arnold, R. Howard, C. Tyers, Ledston Hall, Hall Lane, Ledston, Leeds, West Yorkshire.Tree-Ring Analysis of Timbers, Research Report Series, English Heritage, Portsmouth, 2015.
3. Tree-ring Analysis of Timbers from the Main Guard, Pontefract Castle, Pontefract, West Yorkshire, Centre for Archaeology Report;Arnold,2005
4. Nottingham Tree-ring Dating Laboratory: additional dendrochronology dates, no 32 Vernacular;Arnold;Architecture,2008
5. Tree-ring Analysis of Timbers from the Roof of the Keep, or Little Castle, Bolsover Castle, Derbyshire, Centre for Archaeology Report;Arnold,2003