Westermann, Diedrich, 1875-1956.  Westermann, Diedrich, 1875-1956. <br/><br/>
Practical phonetics for students of African languages / 
by D. Westermann and Ida C. Ward. 
 - London :  Oxford University Press,  [1970] 
<br/><br/> Published for the International African Institute.  First published 1933. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>African languages -- Phonetics.--African languages -- Phonetics.