1. The origins of modern anaesthesia;Boulton,1995
2. Tarnished Idol: William Thomas Green Morton and the Introduction of Surgical Anaesthesia: A Chronicle of Ether Controversy;Wolfe,2001
3. The history of anesthesiology;Toski,2001
4. Ether Day: The Strange Tale of America's Greatest Medical Discovery and The Haunted Men Who Made It;Fenster,2001
5. Evolution of anaesthesia in India;Divekar;J Postgrad Med,2001