Herrman, Paul. <br/><br/>
Conquest by man / 
Paul Herrman. 
 - 1st ed. 
 - New York :  Harper & Brothers,  1954. 
 - xxiii, 455 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 433-440) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Explorers.