Ruhlen, Merritt,  1944- <br/><br/>
A guide to the world's languages / 
Merritt Ruhlen 
 - London :  Edward Arnold,  1991 
 - v. :  ill. ;  23 cm. 
<br/><br/> 'With a postscript on recent developments'--v. 1 
<br/><br/>v. 1. classification 
<br/><br/><label>ISBN: </label>0340561866 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Classification