Directions for historical linguistics  a symposium 
edited by W.P. Lehmann and Yakov Malkiel 
 - Austin  University of Texas Press  1968 
 - 199p. 24cm. 
<br/><br/><label>ISBN: </label>0292783558 
<br/><br/><label>LCCN: </label>68-8399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistic change--Addresses, essays, lectures