1. Mettler C. History of medicine. New York, NY: McGraw-Hill (Blakiston); 1947.
2. Astruc J. De Morbis Venereis Libri Sex. editor. Paris: G. Cavelier; 1736, p. 365.
3. Gruter W. Das herpesvirus, seine atiologische und klinische bedeutung. Munch Med Wschr. 1924;71:1058.
4. Goodpasture E. The axis-cylinders of peripheral nerves as portals of entry to the central nervous system for the virus of herpes simplex encephalitis in man. Am J Pathol. 1925;I:11–28.
5. Commission M. Epidemic encephalitis: etiology, epidemiology, treatment. Report of a survey by the Mathewson Commission. New York, NY: Columbia University Press; 1929.