1. The Geology of Rossendale;Bolton,1890
2. Intraformational Contorted Strata in the Upper Carboniferous of the Lancashire Pennines;Williamson;Proc. Yorks. geol. (polyt.) Soc.,1953
3. Field Guide to the Geology of the Cliviger Valley;Williamson;Proc. Yorks. geol. (polyt.) Soc.,1956
4. The Geology of the Rossendale Anticline;Wright;Mem. geol. Surv. U.K.,1927