1. Editorial Note. Employment of sulphuric ether vapour in Montreal, Quebec, and Sherbrooke. Brit. Am. J. Med. Phys. Sc.2: 338 (1847).
2. Nelson, H. Experiments with the sulphuric ether vapour. Brit. Am. J. Med. Phys. Sc.3: 34 (1847).
3. Worthington, E.D. Case of amputation of leg, the patient under the influence of sulphuric ether vapour. Brit. Am. J. Med. Phys. Sc.3: 10 (1847).
4. Parker, W.F. “Daniel McNeill Parker, M.D. His ancestry and a memoir of his life”. Toronto, William Briggs (1910).
5. Steward, D.J. The early history of anaesthesia in Canada: The introduction of ether to Upper Canada, 1847. Can. Anaes. Soc. J.24: 153 (1977).