1. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland;Butterworth;Transactions of the Royal Society of Edinburgh,1958
2. The geology of the Titterstone Clee Hills;Dixon;Geological Magazine,1910
3. The Namurian Usk anticline;George;Proceedings of the Geologists’ Association,1956
4. Greig D. C. Wright J. E. Hains B. A. Mitchell G. H. 1968. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Geological Survey of Great Britain Memoir, England and Wales, Sheet 166.
5. Hains B. A. Horton A. 1969. British Regional Geology: Central England (3rd Edition). Institute of Geological Sciences.