1. Abel, John J. and Crawford, Albert. 1897. On the Blood-pressure-raising Constituent of the Suprarenal Capsule. Johns Hopkins Hosp. Bull. 8:151.
2. Ackerknecht, Erwin H. 1959. A Short History of Psychiatry. New York: Hafner Publishing Company.
3. Ackerknecht, Erwin H. 1967. Medicine at the Paris Hospital 1794–1948. Baltimore: Johns Hopkins Press.
4. Ackner, B., Harris, A., and Oldham, A. J. 1957. Insulin Treatment of Schizophrenia. A Controlled Study. Lancet. 1:607.
5. Adrian, Edgar D. 1934. The Interpretation of Potential Waves in the Cortex. J. Physiol. (Lond.) 84:440.