1. Petrology, Origin, and Deposition of the Highest Lower Old Red Sandstone of Shropshire, England;Allen;J. sedim. Petrol.,1962
2. Sedimentation and Palaeogeography of the Old Red Sandstone of Anglesey, North Wales;Allen;Proc. Yorks. geol. Soc.,1965
3. The Sedimentation of the Old Red Sandstone in the Forest of Dean;Allen,1971
4. Rivers and their Deposits;Allen;Sci. Prog., Oxf.,1971
5. Dittonian Ostracoderm Fauna from the Brownstones of Wilderness Quarry, Mitcheldean, Gloucestershire;Allen;Proc. geol. Soc.,1968