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.
Fergus Kinmonth ageing the yew - 2005
Protocols part 1 by Toby Hindson 2010
Protocols part 2by Toby Hindson 2010
Toby Hindson research papers 2007-2012
Royal Forestry Society Journal
Estimating the ages of yews - Challenging Constant Annual Increment as a suitable model.
The article first appeared in the Royal Forestry Society's Quarterly Journal of Forestry in July 2019 and is reproduced with their permission. Copyright is with the Royal Forestry Society and their authors, Toby Hindson, Andy Moir and Peter Thomas.
Yew ageing paper - explanatory article
The need for a modular approach in cracking a 200 year old conundrum - Toby Hindson