Sykes, Percy Molesworth  Sir <br/><br/>
A history of exploration from the earliest times to the present day 
by Sir Percy Sykes ; introduction by John K. Wright. 
 - New York  Harper & Brother  1961. 
 - xl, 426 p.  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discoveries in geography--History.<br/>Explorers