1. Viséan Conodonts from North Wales and Ireland
2. Dinantian conodont biostratigraphy of the Northumberland Trough
3. 1974. The biostratigraphic distribution of conodonts in Great Britain and the Republic of Ireland. In International Symposium on Belgian Micropaleontological Limits, from Emsian to Viséan, Namur, 1974, (eds). Geological Survey of Belgium 3: 1–17.
4. 1976. Evidence from Great Britain and Ireland concerning West European Dinantian conodont paleoecology. In Conodont Paleoecology, (ed.). Special Paper 15. Geological Association of Canada: 201–224.
5. . 1974. Dinantian conodont faunas of County Clare, County Limerick and County Leitrim. In International Symposium on Belgian Micropaleontological Limits, from Emsian to Viséan, Namur, 1974, (eds). Geological Survey of Belgium 3: 18–69.