References for: The Royal Society Of Edinburgh and the purchase of 22-24 George Street
- N Campbell, R Martin and S Smellie, The Royal Society of Edinburgh 1783-1983 (Edinburgh, 1983).
- M Yousuf, George Chrystal (Ph.D. Thesis, University of St Andrews, 1990).
- Letter from Professor G Chrystal to Sir J Larmor, 13 November 1906, Royal Society of London Library (MSS. Lm263).
- Letter from Professor G Chrystal to Sir J Larmor, 15 November 1906, Royal Society of London Library (MSS. Lm264).
- Letter from Professor G Chrystal to Sir J Larmor, 16 November 1906, Royal Society of London Library (MSS. Lm265).
JOC/EFR November 2000
MacTutor History of Mathematics
[http://www-history.mcs.st-andrews.ac.uk/HistTopics/References/Chrystal_RSE.html]