1. Trans. Chem. Soc., 69, 596 (1896);
2. J. Soc. Dyers Col., 54, 551 (1938).
3. Chem. and Indust., 515, 547 (1935).
4. “What Chemistry Owes to Chemical Science”, 3rd edit., p. 120.
5. W. Crum suggests that Thomson opened his laboratory to pupils while still teaching in Edinburgh, 1801–11, Proc. Phil. Soc. Glasgow, 252 (1854).