1. English Rock Terms;Arkell,1953
2. Pleistocene chronology;Bull;Proc. Geol. Ass.,1942
3. The soils of the Malham Tarn area;Bullock;Fld. Stud.,1971
4. Loess in the soils of north Norfolk;Catt;J. Soil Sci.,1971
5. The loess of eastern Yorkshire and Lincolnshire;Catt;Proc. Yorks. Geol. Soc.,1974