Fisher, Hilda B. Improving voice and articulation [by] Hilda B. Fisher. - Boston, Houghton Mifflin [1966] - vi, 358 p. illus. 25 cm. Bibliography: p. 345-350. LCCN: 66003312 Subjects--Topical Terms: Voice culture.English language--Phonetics. LC Class. No.: PN 4162 / .F46