1. A Comparative Study of Laterality of Stutterers and Non-stutterers;Bryngelson B.;Journal of Speech Disorders,1937
2. Sidedness as an Etiological Factor in Stuttering;Bryngelson B.;Journal of Genetic Psychology,1935
3. Travis Lee. Speech Pathology. Appleton Co. 1931.
4. West Robert. "The Rehabilitation of Speech." Harpers 1937.
5. Is Stuttering Inherited?;Wepman Joseph;Proceedings of the American Speech Correction Association,1935