ISBN 978-0-7538-2886-1*Vatcher, Faith de M and Lance Vatcher, 1976 "The Avebury Monuments", Department of the Environment HMSO==External links==*British Archaeology magazine article on Silbury*SSSI boundary at English Nature's "Nature on the Map" website*BBC Wiltshire: Going Inside Silbury Hill*Secrets of Silbury Hill, a short BBC report on the archeological work at Silbury Hill*SSSI Citation sheet at Natural England* Silbury Hill, English Heritage
* British Archaeology magazine article on Silbury* SSSI boundary at English Nature’s «Nature on the Map» website* Earth Mysteries: Silbury Hill* BBC news: Monument’s tunnels to be filled* Ancient Britain: Silbury Hill* Secrets of Silbury Hill, a short BBC report on the archeological work at Silbury Hill* SSSI Citation sheet at Natural England