1. Amdur, M., and Ginsberg, T.:Folie à deux. Med. Bull. Vet. Admin., 15:277–79, January, 1939.
2. Anderson, C.: Report of cases of induced insanity. Ill. Med. J., 65:357–58, April, 1934.
3. Babcock, J.: Communicated insanity and negro witchcraft.Am. J. Insanity, 51:518–23, April, 1895.
4. Bleuler, E.: Textbook of Psychiatry. P. 534. The Macmillan Co. New York. 1924.
5. Bouman, L.:Folie à Trois. (Neur. Cbl., No. 12, 1899.) J. Ment Sci., 46:370–71, April, 1900.