Nicolson, Harold,  1886-1968 <br/><br/>
The congress of Vienna :  a study in allied unity: 1812-1822 / 
by Harold Nicolson. 
 - First American edition 
 - New York :  Harcourt, Brace and Company,  1946. 
 - 312 p. :  ill. ;  21 cm. 
<br/><br/> With hardcover ; Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Europe--Politics and government--1789-1815