Ray, N. R. <br/><br/>
Himalaya frontier in historical perspective 

 - Calcutta  K. P. Basu  1986 
 - p. 399 
<br/><br/><label>Subjects--Index Terms: </label>Historical geography;History;Geography;Bhutan;Nepal 
<br/><br/><label>Dewey Class. No.: </label>945.4