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2. Piazzi Smyth Charles, and Piazzi Smyth (1819 ) was Astronomer Royal for Scotland and in 1864 published "Our inheritance in the great pyramid ". Simpson in 1868 read a communication to the Royal Society of Edinburgh on the Pyramids of Egypt.
3. New Treatment for Leucorrhoea
4. J. D. Comrie (1932 ): History of Scottish Medicine. Bailliere, Tindall and Cox, London. p.596 .
5. W. Dale (1860 ): The Present State of the Medical Profession in Great Britain and Ireland. A. W. Bennett, London. p.30 .