Knowles, R. <br/><br/>
North America in maps : topographical map studies of Canada and the USA 
by R. Knowles and P.W.E. Stowe 
 - London  Longman  1976 
 - 95p.: ill.; 21x32cm. 
<br/><br/><label>Dewey Class. No.: </label>912.71  / KNO