Brodrick, Alan Houghton. <br/><br/>
The tree of human history. 

 - New York  Philosophical Library  c1951. 
 - 253 p.  ill.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization--History.
<br/><br/><label>LC Class. No.: </label>CB67  / .B72