Geography through a century of international congresses 

 - [S.I]  UNESCO  1972 
 - 252 p. 
<br/><br/><label>ISBN: </label>74001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910  / GEO