Spencer, Herbert <br/><br/>
Principles of sociology (set of 5 vols)/ 
Herbert Spencer 
 - 1st ed. 
 -  Rajat publications,  2020. 
 - 1650 pages 
<br/><br/><label>ISBN: </label>9788178805634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>301  / SPE