Encyclopaedia of the nations / 

 - New Delhi :  New Caxton Library Service  1976. 
 - 5 vol.  ill. ; 
<br/><br/>V.1. United Nations;<br/>V.2. Africa;<br/>V.3. Americas;<br/>V.4. Asia and Australasia;<br/>V.5. Europe. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical information system<br/>  Economic system<br/>Political sociology
<br/><br/><label>Dewey Class. No.: </label>032  / ENC N76E