Nock, O.S. . <br/><br/>
Continental Main Lines /  Textual Documents 
O.S. Nock. 
 - 1st ed. / 
 - London :  George Allen and Unwin Ltd ,  1963. 
 - 210p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Geography-Travel G-Geography 
<br/><br/><label>Dewey Class. No.: </label>914  / N 672 C