1. Bell did not invent telephone: US rules;Carroll;The Guardian,2002
2. Ether day: The strange tale of America's greatest medical discovery and the haunted men who made it;Hardy;American Journal of Psychiatry,2001
3. Massachusetts General Hospital The Ether Dome at Mass General http://www.massgeneral.org/history/exhibits/etherdome/
4. Merton , R.K. 1961 Singletons and multiples in scientific discovery: A chapter in the sociology of science Proceedings of the American Philosophical Society 105 5 470 486