1. Geological Survey of Great Britain (England and Wales);Ackermann,1972
2. The Jurassic System in Great Britain;Arkell,1933
3. The Fuller's Earth of the Cotswolds and its relation to the Great Oolite;Arkell;Quarterly Journal of the Geological Society of London,1952
4. The stratigraphical position of the Middle Jurassic (Bathonian) Stonesfield Slate of Stonesfield, Oxfordshire, U.K.;Boneham;Proceedings of the Geologists' Association,1993