1. Truncated fossil thermal contraction polygons (?Devensian) in the Mercia Mudstone Formation (Trias), Oldbury upon Severn, Gloucestershire;Allen,1984
2. Dimlington stadial (late Devensian) icewedge casts and involutions in the Severn Estuary, southwest Britain;Allen;Geol. J.,1987
3. Late Flandrian shoreline oscillations in the Severn Estuary: the Rumney Formation at its typesite (Cardiff area);Allen;Philos Trans. R. Soc.,1987
4. Reworking of muddy intertidal sediments in the Severn Estuary, southwestern U.K.: a preliminary survey;Allen;Sediment. Geol.,1987
5. Streamwise erosional structures in muddy sediments, Severn Estuary, southwestern UK;Allen;Geogr. Ann.,1987