Hudson, Fred Stansfield. <br/><br/>
North America / 
F.S. Hudson. 
 - 4th ed. 
 - Plymouth :  Macdonald and Evans,  1978. 
 - xix, 442 p. :  ill, maps ;  22 cm. +  pbk. 
 - New certificate geography series. .
<br/><br/>Bibliography: p. 417-419. - Includes index. 
<br/><br/><label>ISBN: </label>0712114106 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>North America--Description and travel.
<br/><br/><label>Dewey Class. No.: </label>917