David, Crystal <br/><br/>
The Cambridge Encyclopedia of Language  Textual Documents 
by David Crystal 
 - 2nd ed 
 - Cambridge  Cambridge University Press  1997 
 - vii,454p  28x22cm 
<br/><br/>Includes references and index(p455-480) 
<br/><br/><label>ISBN: </label>0-521-55050-5