1. Wealden petrology; the Top Ashdown Pebble Bed and the Top Ashdown Sandstone;Allen;Quart. J. geol. Soc. Lond.,1949
2. Geology and geography of the London-North Sea Uplands in Wealden times;Allen;Geol. Mag.,1954
3. Derived ammonites from the Lower Greensand of Surrey;Arkell;Proc. Geol. Ass., Lond.,1939
4. Minéraux Lourds des Roches Éruptives et Crystallophylliennes de Bretagne;Berthois;C. R. Acad. Sci., Paris,1929
5. The Bargate Beds of Surrey and their microscopic contents;Chapman;Quart. J. geol. Soc. Lond.,1894