Ives, George. <br/><br/>
Obstacles to human progress / 
by George Ives 
 - London  George Allen & Unwin  1939 
 - 283 p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>70671 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>301  / IVE