References
- Evaluation of a stuttering therapy program. Unpublished report submitted to the Louis and Maud Hill Family Foundation, 1955. Available at University of Iowa Speech Clinic and Marquette University.
- Fluency of stuttering and non‐stuttering college students. Unpublished report submitted to the Louis and Maud Hill Family Foundation, 1954.
- Johnson , W. and Trotter , W. D. 1955 . “ A college freshman with a stuttering problem ” . In Clinical Studies of Personality , Edited by: Burton , Arthur and Harris , Robert E. New York : Harper and Brothers .
- Lewis , D. and Sherman , D. 1951 . Measuring the severity of stuttering . JSHD , 16 : 320 – 326 .
- Lindquist , E. F. 1953 . Design and analysis of experiments in psychology and education , New York : Houghton Mifflin Co. .
- Sherman , D. 1952 . Clinical and experimental use of the Iowa scale of severity of stuttering . JSHD , 17