National geographic. 
 National geographic magazine 

 - [Washington, D.C.] :  National Geographic Society,  c1959- 
 - v. :  ill. (some col.), ports., maps (some fold., some col.) ;  26 cm. 
 - Monthly 
 - Vol. 116, no. 6 (Dec. 1959)- 
<br/><br/> Title from cover.  Some vols. accompanied by supplements, some called 'special report' or 'special edition'.  Latest issue consulted: Vol. 215, no. 4 (Apr. 2009). 
<br/><br/>Issued in two yearly vols. of 6 issues each. 
<br/><br/>
<br/><br/>Official journal of: National Geographic Society. 
<br/><br/> Vols. 91 (1947)-161 (1983). 1 v. (Includes index to the journal under its earlier title); v. 1 (1888)-174 (1988). 1 v. (Includes index to the journal under its earlier title).  Indexes kept up-to-date with supplements. 
<br/><br/><label>ISSN: </label>0027-9358 
 = National geographic  (Print) 
 = Natl. geogr.  (Print) 
<br/><br/><label>CODEN: </label>NGGMAF 
<br/><br/><label>LCCN: </label>87657516  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Periodicals.<br/>Geography--Periodicals.
<br/><br/><label>LC Class. No.: </label>G1  / .N27 
<br/><br/><label>Dewey Class. No.: </label>910