1. The derivation of the Tertiary sediments in the Petrockstow Basin, North Devon;Bristow;Proc. Ussher Soc.,1968
2. 1:10,000 field survey sheets by K. P. Isaac for parts of 1:50,000 sheets 337 (Tavistock) and 338 (Dartmoor Forest);British Geological Survey,1982
3. Tertiary sediments and structure of the Bovey Basin, south Devon;Edwards;Proc. Geol. Ass.,1976
4. A Tertiary Basin at Dutson, near Launceston, Cornwall, England;Freshney;Proc. Geol. Ass.,1982
5. Tertiary lateritic weathering in Devon, and the Palaeogene continental environment of South West England;Isaac;Proc. Geol. Ass.,1983