Bryan, Courtlandt Dixon Barnes, <br/><br/>
The National Geographic Society, 100 years of adventure and discovery / 
by C. D. B. Bryan. 
 - 484 páginas 
<br/><br/><label>ISBN: </label>0810981351 
<br/><br/><label>Subjects--Corporate Names: </label><br/>National Geographic Society (Estados Unidos).
<br/><br/><label>Dewey Class. No.: </label>910.6  / B915n 1994