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How Old Are Yew Trees

The papers are presented in date order, with the most up to date research contained in Toby Hindson's Classification Protocols of 2010. These protocols determine whether a yew is classified Ancient, Veteran and Notable on this website. 

Protocols part 1 by Toby Hindson  2010

Protocols part 2 by Toby Hindson  2010

Toby Hindson research papers  2007-2012

Fergus Kinmonth ageing the yew - 2005