1. Adams Fay, and Brown Walker. Teaching the Bright Pupil. New York: Henry Holt and Co., 1930. Pp. 224.
2. Addicott Irwin O. An Experimental Class for Bright Children. Ninth Yearbook of the Department of Elementary School Principals. Washington, D. C.: National Education Association, April, 1930. Pp. 287–293.
3. Bacon Francis L. The Study Habits of Excellent and Deficient Pupils. Bulletin of the Department of Secondary School Principals of the National Education Association. Cicero, Ill.: Dept. of Secondary School Principals of the N. E. A., March, 1932. Pp. 107–115. Also, excerpts: National Education Association Proceedings, Atlantic City, 1932, Vol. LXX, 505–7.
4. Additional Data from Consecutive Stanford-Binet Tests.