1. Clarke and his 1842 use of ether;Stetson,1992
2. The introduction of modern anesthesia in the USA and the spread of the good news to the United Kingdom;Vandam,1989
3. The history of anesthesiology;Toski,2001
4. One Grand Chain;Wilson,1996
5. Memories of 30 years of group experience in anesthesia;Lundy;Minnesota Medicine,1968