Percy Birtchnell - Bibliography

Bibliography

• Birtchnell, Percy (1960). A Short History of Berkhamsted. The Bookstack. p. 127. ISBN 1-871372-00-3. |accessdate= requires |url= (help)
• Birtchnell, Percy (1975). Bygone Berkhamsted. p. 80. ISBN 978-0-900804-13-7. |accessdate= requires |url= (help)