Van Riper, Charles, 1905-1994. 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 : $15.95 LCCN: 77021460 Subjects--Topical Terms: Speech disorders.Speech therapy.Audiology. LC Class. No.: RC423 / .V35 1978 Dewey Class. No.: 616.85506 VAN