Trivedi S. D. <br/><br/>
Secret services in  acient india (techniques & operation) 

 - Delhi  Allied Publishers Pvt. Ltd. India      1984 
 - xxiii,238p  cm. 
<br/><br/><label>Standard No.: </label>21,971 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V594, M4