1. Alexander, G. H.: “Shock” therapies: a method of more accurate estimation of their therapeutic efficacy. J.N.M.D., 99: 922, June 1944.
2. Bleuler, E.: Dementia Praecox or the Group of Schizophrenias. International Universities Press, New York. 1950.
3. Freyhan, F. A.: E. Bleuler's concept of schizophrenia at mid-century. Am. J. Psychiat., 114: 769, March 1958.
4. Sainz, A.; Bigelow, N., and Barwise, C.: On a methodology for the clinical evaluation of phrenopraxic drugs.Psychiat. Quart., 31: 1–10, 1957.
5. Sarwer-Foner, G. J., and Ogle, W.: The use of reserpine in open psychiatric settings. Canad. Med. A.J., 73: 187, August 1, 1955.