1. Environmental Law;Bell,2008
2. International Law and the Environment;Birnie,2009
3. Bryden, J., 1996. Land Tenure and Rural Development in Scotland. The Third John McEwan Memorial Lecture. Rural Forum, Perth. Available at http://www.caledonia.org.uk/land/bryden.htm.
4. A Pattern of Landownership in Scotland;Callander,1987
5. Who Owns Scotland Now? The Use and Abuse of Private Land;Cramb,1996