Appelt A. ( 1911). The Real Cause of Stammering and its Permanent Cure. London: Methuen.
Bigelow H. R. ( 1892). Plain Talks on Electricity and Batteries, with Therapeutic Index. Second Edition. Philadelphia: P. Blakiston, Son & Co.
Blanton S. ( 1916). "The University of Wisconsin Speech Clinic". Journal of Educational Psychology 7, 253-260.
Boorstin D. J. ( 1993). The Creators. NewYork: Vintage Books.
Bryant Pearl ( 1941). "Speech re-education in the nineteenth century". Unpublished Ph.D. dissertation, Northwestern University.
Camac C. N. B. ( 1931). Imhotep to Harvey: Backgrounds of Medical History. New York P. B. Hoeber. Republished, 1973, by Milford House, Inc., Boston.
Cavendish R. (Ed.) ( 1983). Man, Myth and Magic, Vols. 3 and 6. London: Marshall Cavendish Ltd.
Dolan J. P., and W. N. Adams-Smith ( 1978). Health and Society: A Documentary History of Medicine. New York, The Seabury Press.
Goraj J. T. ( 1963). "A report on three European speech facilities". Asha 5, 860-864.
Gould J. E. ( 1961). The Chatauqua Movement. Buffalo: State University of New York Press.
Haller M. H. ( 1984). Eugenics: Hereditarian Attitudes in American Thought. New Brunswick: Rutgers University Press.
Harms E. (ed.) ( 1943). "Special Issue: Stuttering in Children". The Nervous Child 2, 79-205.
Kester D. G. ( 1950). "The development of speech correction in organizations and in schools in the United States during the first quarter of the 20th Century". Doctoral dissertation, Northwestern University.
Kitz R. J., and L. D. Vandam ( 1986). A History and Scope of Anesthetic Practice. Pages 3-15 in Miller R. D. (ed.), Anesthesia, 2nd Edit., Vol I.