Sehgal S D <br/><br/>
Rise and fall of human civilisation. 

 - Delhi  H K Books        1995 
 - 288p.  cm. 
<br/><br/><label>Standard No.: </label>68747 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y:1.1'N, N5