Found in articles
of the Royal Society of Edinburgh 1783–2002. — The Royal Society of Edinburgh, 2006. — ISBN 0 902 198 84 X «Scottish Geographical Medal». Royal Scottish
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D., Shearer A. M. Former Fellows of The Royal Society of Edinburgh 1783 – 2002, Part 1 — Royal Society of Edinburgh, 2006. — P. 348. Clutha Leader, Volume
FELLOWS OF THE ROYAL SOCIETY OF EDINBURGH. 1783-2002 — Royal Society of Edinburgh. — P. 1023. List of Royal Society Fellows 1660-2007 — Royal Society. — P
Britannica Waterston C. D., Shearer A. M. Former Fellows of The Royal Society of Edinburgh 1783 – 2002, Part 1 — Royal Society of Edinburgh, 2006. — P. 5.
(link) Biographical Index of Former Fellows of the Royal Society of Edinburgh 1783–2002 (PDF). The Royal Society of Edinburgh. 2006 թ․ հուլիս. ISBN 0-902-198-84-X