1. The Wealden environment: Anglo-Paris Basin
2. Allen P. i 960 Geology of the central Weald: the Hastings Beds. Geol. Ass. Guide 24 11.
3. The teeth of Jurassic mammals. Proc. zool;Butler P. M.;Soc. Loud.,1939
4. Wealden mammals. Proc. geol;Clemens W. A.;Soc.,1961
5. Wealden mammalian fossils;Clemens W. A.;Paleont.,1963