1. The integrative action of the nervous system;Sherrington,1906
2. Pain mechanisms;Livingstone,1943
3. Online Exhibit. Pain and suffering in history – narratives of science, medicine and culture. John C. Liebeskind History of Pain Collection at the Louise M. Darling Biomedical Library, UCLA.
4. Pain mechanisms: a new theory;Melzack;Science,1965
5. Pain: past present and future;Melzack;Can J Exp Psychol,1993