The speaking voice / [by] Ruth B. Manser [and] Leonard Finlan. Manser, Ruth B. (Ruth Baldock) Finlan, Leonard, joint author. Voice. Voice culture. PN4162 .M33 1950 808.52 MAS Bibliography: p. 385-392. New York : Longmans, Green, 1950. 1950. 1950 Text xii, 404 p. eng