Sahay, Gopi Krishan. <br/><br/>
Itihas vishwa kosh / 
Gopi Krishan Sahay. 
 - Delhi :  Kunal Prakashan,  2008. 
 - 231p. 
<br/><br/><label>ISBN: </label>8188631418 :  Rs. 300/- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World history--Encyclopeadia and dictionaries.<br/>Historiography--Encyclopeadia and dictionaries.<br/>Refernece books.