1. The Syndrome of Stuttering;Andrews,1964
2. A Handbook on Stuttering, 5th edn.;Bloodstein,1995
3. Stuttering as a categorical event: barking up the wrong tree – a reply to wingate;Perkins;J Speech Hear Disord,1984
4. Recovery from stuttering;Wingate;J Speech Hear Disord,1964
5. Manual of the International Statistical Classification of Diseases, Injuries, and Causes of Death,1977