1. The concealed coalfield of Yorkshire and Nottinghamshire;Edwards,1951
2. Geological results of petroleum exploration in Britain, 1945–1957;Falcon;Mem. geol. Soc. Lond.,1960
3. Review of Carboniferous volcanism in England and Wales;Francis;J. Earth Sci. Leeds,1970
4. Potassium-argon age determination of an East Midlands alkaline dolerite;Francis;Proc. Yorks. geol. Soc.,1968