1. Northern Pennine orefield — Alston Block
2. Northern Pennine orefield — Alston Block
3. Structure;Bott;Geology of Durham County-Trans. Hist. Soc. Northumb,1970
4. The geological interpretation of a gravity survey of the Alston Block and the Durham coalfield;Bott;Q. J. Geol. Soc. Lond,1957
5. Explosion pipe in test well on Hicks Dome, Hardin County, Illinois;Brown;Econ. Geol,1954