1. Atchison, M. and Canter, G. 1979. Variables influencing phonemic discrimination performance in normal and learning-disabled children.Journal of Speech and Hearing Disorders 44:543–556.
2. Baker, H. J. 1968.Detroit Tests of Learning Aptitude. Indianapolis: Bobbs, Merrill.
3. Behrens, T. 1963. A study of psychological and electroencephalographic changes in children with learning disorders. Doctoral Dissertation, Northwestern University, Evanston, Illinois.
4. Berko, M. 1966. Psychological and linguistic implications of brain damage in children.In M. Mecham, M. Berko, F. Berko, and M. Palmers (eds.).Communication Training in Childhood Brain Damage. Springfield, Illinois: Charles C. Thomas.
5. Berry, M. 1966.Berry-Talbot Language Tests 1. Comprehension of Grammar. Rockford, Illinois: Berry Language Tests.