1. The Grime's Graves problem in the light of recent researches;Armstrong,1926
2. The Percy Sladen Trust Fund excavations at Grime's Graves. Interim Report 1927-32;Armstrong,1932
3. Statistics and graphs in the study of flint assemblages;Bohmers;Palaeohistoria,1956
4. Typologie de Paléolithique Ancien et Moyen;Bordes,1961
5. The Old Stone Age;Bordes,1968