Ashmore Harry S., Ed. in Chief <br/><br/>
Encyclopaedia Britannica Vol.2 (Annual to Baltic Sea)  Encyclopaedia Britannica Vol.2 (Annual to Baltic Sea), 2, London : Britania, 1961 

 - London  Britania  1961 
<br/><br/><label>Dewey Class. No.: </label>32  / B775E