Van Riper, Charles, 1905- Speech correction : principles and methods / Charles Van Riper . - 6th ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1978. - vi, 471 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0138295239 : Subjects--Topical Terms: Speech disordersSpeech therapy.Audiology. Dewey Class. No.: 616.8/554 National Library of Medicine Call No.: WM475 / V26s 1978