De Laguna, Grace Mead ( Andrus ) , 1878- Speech : its function and development G. M. De Laguna - Indiana University Press Bloomington 1963 1963 - xii , 362 p. ; 20 cm. - Indiana University studies in the history and theory of linguistics . A Midland book Bibliographical footnotes Subjects--Topical Terms: SpeechLanguage and languages--P LC Class. No.: P105.D45 1963