1. Ronas Hill, Shetland: a preliminary account of its ground pattern features resulting from the action of frost and wind;Ball,1974
2. The hydrologic significance of nivation features in permafrost areas;Ballantyne;Geografiska Annaler,1978
3. Periglacial landforms and environments on mountains in the Northern Highlands of Scotland;Ballantyne,1981
4. Depths of open joints and the limits of former glaciers;Ballantyne;Scottish Journal of Geology,1982
5. Nonsorted patterned ground on mountains in the Northern Highlands of Scotland;Ballantyne;Biuletyn Peryglacjalny,1984