Bish, Charles E. "What's New in Education for the Gifted", in Educating the Ablest, Gowan, John Curtis and Torrance, E. Paul, editors, F. E. Peacock Publishers, Inc., Itasca, Illinois, 1971.
2.
Bullock, Franklin Oliver, and Hymes, Rita Mary , "A Comparison of the Effect of An Alternative Education Progtam on the Attitudes of Selected Groups of Junior High School and Senior High School Gifted Students Toward School and Toward Themselves", Unpublished Master's Project, California State University , Northridge, 1974.
3.
Gowan, John Curtis and Torrance, E. Paul , Educating the Ablest, A Book of Readings on the Education of Gifted Students, F. E. Peacock Publishers , Itasca, Illinois, 1971.
4.
Mallinson, T.J. "A Comparative Study of Four Types of Treatment in Improving Adjustment and School Achievement of Gifted Under-Achievers", Unpublished Research Service Bulletin, Board of Education for the City of Toronto, 1962.
5.
Mallinson, T.J. "Gifted Underachievers: A Follow-Up Study of Four Types of Treatment", Unpublished Research Service Bulletin, Board of Education for the City of Toronto, 1964.
