Oak , Purushottam Nagesh  . <br/><br/>
Vaidic vishwarashtra ka itihas /  
by Purushottam Nagesh Oak. 
 - New Delhi :   Bharti Sahitya Sadan ,   1983 
 - 2 vols :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>History
<br/><br/><label>Dewey Class. No.: </label>V1152  / N83;2