Ross, Edward Alsworth, 1866-1951.  Ross, Edward Alsworth, 1866-1951. <br/><br/>
Principles of sociology. 

 - 3rd ed. 
 - New York :  D. Appleton-Century Co.,  [1938] 
 - Century social science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology.