1. Interpretation of colour relations in sandstone as a guide to uranium exploration and ore genesis;Adler,1970
2. Studies in fluviatile sedimentation: six cyclothems from the Lower Old Red Sandstone, Anglo-Welsh Basin;Allen;Sedimentology,1964
3. Sedimentation and palaeogeography of the Old Red Sandstone of Anglesey, North Wales;Allen,1965
4. Compressional structures (patterned ground) in Devonian pedogenic limestones;Allen;Nature (London) Phys. Sci,1973
5. Sedimentology of the Old Red Sandstone (Siluro-Devonian) in the Clee Hill Area, Shropshire, England;Allen;Sediment. Geol,1974