1. Fiskefossiler, diatomiter og vulkanske akelag;Bonde,1973
2. Beetles from the London Clay (Eocene) of Bognor Regis, Sussex;Britton;Bull. Br. Mus. nat Hist. (Geol.),1960
3. Field Meeting at Herne Bay and Reculver;Brown;Proc. Geol. Ass.,1936
4. Faune ichthyologique du London Clay;Casier,1966
5. The Lower Tertiary Floras of Southern England. I. Palaeocene Floras;Chandler,1961