1. The Wealden Environment, Anglo-Paris Basin;Allen;Phil. Trans. R. Sac. B,1959
2. Denudation of the Weald Clay Vale in West Kent;Bird;Proc. Geol. Ass.,1963
3. The Geology of the Country around Reigate and Dorking;Dines;Mem. geol. Surv. U.K.,1933
4. Geology of the Country between Folkestone and Rye;Drew;Mem. geol. Surv. U.K.,1864
5. Records of Wells in the Area of New Series One-Inch (Geological) Maidstone Sheet;Harvey;Geol. Surv. U.K.,1964