National Geographic  

 - Washington, D.C. :  National Geographic Society,  -c1959. 
 - v. : 
 - Monthly 
<br/><br/> "Official journal of the National Geographic Society."  Latest issue: Volume 2, number 9 (April, 2015). 
<br/><br/><label>ISSN: </label>1044-6613 
 = T N G M Natl. geogr. mag. 
<br/><br/><label>Dewey Class. No.: </label>910.5