Photographs, then and now / 
 National Geographic photographs, then and now  Then and now 
National Geographic ; [prepared by the Book Division]. 
 - [Washington, D.C.] :  National Geographic Society,  c1998. 
 - 304 p. :  ill. (some col.) ;  31 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0792272021 079227203X  
<br/><br/><label>Subjects--Corporate Names: </label><br/>National Geographic Society (U.S.)--Photograph collections.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Travel photography.<br/>Documentary photography.
<br/><br/><label>LC Class. No.: </label>TR790