1. Speech defects in school children;Blanton, S.;Mental Hygiene,1921
2. A Handbook on Stuttering;Bloodstein, 0,1969
3. An analysis of the relationship between handedness and stuttering with special reference to the Orton-Travis theory of cerebral dominance;Daniels, E.M.;Journal of Speech Disorders,1940
4. Contradictory evidence in handedness and stuttering;Heltman, H.J.;Journal of Speech Disorders,1940
5. Johnson, W. (1955). A study of the onset and development of stuttering. In Stuttering in Children and Adults, pp. 37-74. Edited by W. Johnson and R. Leutenegger. Minneapolis University of Minnesota Press: Minneapolis, Minnesota.