1. The Early History of Scottish Popular Science
2. Smout , T.C. 1969. A History of the Scottish People1560–1830, 2nd edn. 247–247. 1970
3. Smout . 1969. A History of the Scottish People1560–1830, 2nd edn. 240–57. 1970 R. L. Mackie,A Short History of Scotland, 1930, (2nd edn. 1962). pp. 208–20.
4. Scotland , J. 1969. The History of Scottish Education Vol. i, 83–83. W. Boyd,Education in Ayrshire through Seven Centuries, 1961, pp. 74–8.