1. Recherches sur le Terrain Crétacé supérior de l'Angleterre et de l'Irlande;Barrois;Mém. Soc. Géol. Nord,1876
2. On the Chalk and Sands beneath it (usually termed Greensand) in the Vicinity of Lyme Regis, Dorsetshire, and Beer, Devonshire;De la Beche;Trans. geol. Soc. Lond.,1826
3. Report on the Geology of Cornwall, Devon and West Somerset;De la Beche,1839
4. South-West England;Dewey;Brit. reg. Geol.,1958
5. On an Outlier of Cenomanian and Turonian (equivalent to Lower and Middle Chalk) near Honiton;Jukes-Browne;Quart. J. geol. Soc. Lond.,1898