Clark, Christopher M. <br/><br/>
Iron kingdom :  the rise and downfall of Prussia, 1600-1947 / 
Christopher Clark. 
 - London :  Allen Lane,  2006. 
 - xxv, 776p. 
<br/><br/><label>ISBN: </label>0713994665 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Prussia (Germany)--History.