Congress proceedings /    
edited by J. Wretford Waston. 
 - London :   Nelson,   1967. 
 - x, 401 p. :    ill., maps, diagrs. ;    26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography --------Congresses.
<br/><br/><label>Dewey Class. No.: </label>91(0631) INT