Thurburn, Gwynneth Loveday. Voice and speech : an introduction / by Gwynneth L. Thurnburn. - London : Nisbet, 1957. - vii, 156 p. : ill., diagrs. ; 22 cm. First published in 1939. Subjects--Topical Terms: Choral speaking.-------- Dewey Class. No.: 372.62 THU