local links

• The Chiltern Society
• Museums

records offices

• Buckinghamshire Records Office
• Hertfordshire Records Office
• Bedfordshire and Luton Archives and Records Service
• Berkshire Records Office
• Oxfordshire Records Office

history

• British Association for Local History
• Bedfordshire Local History Association
• The National Archives
• Oral History Society

useful woodland sites

• Small Woods Association
• Royal Forestry Society
• Forestry Commission

other tree surveys

• The Woodland Trust is recording all ancient trees.
• The Ancient Yew Group is recording ancient yew trees.
• The Natural History Museum is recording the location of large elm trees and cherry trees.
• The Bat Conservation Trust