1. GwathmeyJ. T.:“Anesthesia” 1914 page523.
2. Intravenous Anesthesia;Hale D. E.;Proceedings of the Staff Meetings of the Mayo Clinie,1935
3. Intravenous anesthesia
4. Anesthetic Procedures used at the Mayo Clinic. I: General Consideration of Local, Inhalation and Intravenous Anesthetic Agents and Methods and Premedication;Tuohy E. B.;Proceedings of the Staff Meetings of the Mayo Clinic,1938
5. Some of the Newer Local and General Anesthetic Agents;Lundy J. S.;Northwest Medicine,1935