Hammerton, J.A.. <br/><br/>
Encyclopaedia of Human Races all Over the World Vol-7 /  

 - Reprinted 1985 /  
 - New Delhi-7 :   Gian Publishing House. 
 - p.684 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Their Life, Customs, History and Civilisation
<br/><br/><label>Dewey Class. No.: </label>Y7.1k  / M5.7