Vergouwen, J. C. <br/><br/>
The social organisation and customary law of the Toba-Batak of Northern Sumatra / 
by J. C. Vergouwen. 
 - The Hague :  Martinus Nijhoff,  1964. 
 - xv, 461 p. ;  ill. :  24 cm. 
 - Koninklijk Instituut voor Taal-Land-en Volkenkunde. translation series ;  7. .
<br/><br/> Includes Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sumatra--Social life and customs.<br/>Social life and  custom--Indonesia.