OUR WORLD ENCYCLOPEDIA, VOL. 6: TRAVEL AND COMMUNICATION 

 - FIRST EDITION, FOURTH IMPRESSION 
 - LONDON  MACMILLAN EDUCATION LIMITED OF LONDON  1978 
 - 575P. 
 - OUR WORLD ENCYCLOPEDIA .
<br/><br/> NO ONE AUTHOR. EDITED BY LEONARD SEALEY. 
<br/><br/><label>ISBN: </label>333143876 
<br/><br/><label>Subjects--Topical Terms: </label><br/>REFERENCE<br/>ENCYCLOPEDIA<br/>TRAVEL<br/>COMMUNICATION
<br/><br/><label>Dewey Class. No.: </label>R 030/SEA