References
- 1960 . Natural Resources in Scotland: Symposium at The Royal Society of Edinburgh . October 31st 1960 . to 2nd November
- 1962 . Inquiry into the Scottish Economy 1960–61: Report of a Committee appointed by the Scottish Council (Development and Industry) under the Chairmanship of J. N. Toothill , 25s Edinburgh : Scottish Council (Development and Industry) . 6 1/2 × 9 1/2. p. 203 + Ixxiv