Simons, Lewis M. <br/><br/>
Tibetans moving forward holding on / 
Lewis M. Simons. 
 - National Geographic Society :  Washington,  [s.f.]. 
 -  fot. ;  25 cm 
<br/><br/><label>ISSN: </label>00279358 
<br/><br/><label>Subjects--Index Terms: </label>Tibet-historia