Language spread: studies in diffusion and social change / 
edited by Robert L. Cooper 
 - Bloomington   Indiana University Press   Center for Applied Linguistics  c1982 
 - vii, 360 p.   24 cm. 
<br/><br/> Gratis<br/>David Lelyveld 
<br/><br/><label>ISBN: </label>9780253320001 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language spread--Congresses.<br/>Social change--Congresses.
<br/><br/><label>Dewey Class. No.: </label>401.9 LAN