1. The sedimentation and palaeogeography of the Old Red Sandstone of Anglesey, North Wales;Allen,1965
2. Studies in fluviatile sedimentation: bars, bar-complexes and sandstone sheets (low sinuosity braided streams) in the Brownstones (L. Devonian), Welsh Borders;Allen;Sediment. Geol.,1983
3. Campanian palynomorphs from James Ross and Vega Islands, Antarctic Peninsula;Askin;Antarct. J. US,1983
4. Endemism and heterochroneity in the Late Cretaceous (Campanian) to Paleocene palynofloras of Seymour Island, Antarctica: implications for origins, dispersal and palaeoclimates of southern floras;Askin,1989
5. The flora of the Raritan Formation;Berry;Geol. Surv. NJ Bull.,1911