1. A new occurrence of possible Tertiary deposits in south-western Dyfed
2. 1968. Geology of the South Wales Coalfield. The Upper Carboniferous and later formations of the Gwendraeth Valley and adjoining areas in parts of the Carmarthen (229), Ammanford (230) and Worms Head (246) Sheets. Special Memoir of the Geological Survey of Great Britain (London HMSO for Institute of Geological Sciences).
3. , . 1988. The geology of the South Wales Coalfield; Part V, the country around Merthyr Tydfil. Memoir of the British Geological Survey, (3rd Edition). Sheet 231 (England and Wales). 52.
4. Mise en évidence d'un karst tropical fossile au Pays-de-Galles
5. Un phénomène karstique dans des grès siliceux (Pays de Galles méridional)