1. Age of the Wealden in North-Western Europe;Allen;Geol. Mag.,1955
2. The Wealden environment: Anglo-Paris Basin;Allen;Phil. Trans. R. Soc. B,1959
3. L'age du Purbecko-Wealdien d'Angleterre;Allen;Mem. Bur. Rech. géol. minières,1965
4. Origin of the Hastings facies in North-Western Europe;Allen;Proc. Geol. Ass.,1967
5. Strand-line pebbles in the mid-Hastings Beds and the geology of the London Uplands;Allen;Old Red Sandstone, New Red Sandstone and other pebbles. Conclusion. Proc. Geol. Ass.,1967