Cammaerts, Emile. <br/><br/>
The keystone of Europe :   history of the Belgian dynasty, 1830-193 9 /  
by Emile Cammaerts. 
 - London :   P. Davis,   [1939]. 
 - xvi, 393 p. :    ill., ports. ;    22 cm. 
<br/><br/>  "First published 1939." 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Belgium -- History.
<br/><br/><label>Dewey Class. No.: </label>949.3