Gittings, Bruce; Munro, David. "Loch Sionascaig". The Gazetteer for Scotland. School of GeoSciences, University of Edinburgh and The Royal Scottish Geographical Society. Retrieved 23 July 2022.
Gittings, Bruce; Munro, David. "River Polly". The Gazetteer for Scotland. School of GeoSciences, University of Edinburgh and The Royal Scottish Geographical Society. Retrieved 28 October 2022.
Gittings, Bruce; Munro, David. "Eilean Mòr". School of GeoSciences, University of Edinburgh and The Royal Scottish Geographical Society. Retrieved 28 October 2022.