Gottlieb, W. W. <br/><br/>
Studies in secret diplomacy during the first World War / 
W. W. Gottlieb 
 - London :  George Allen,  1957 
 - 430 p. ;  22 cm. 
<br/><br/> Index present 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War, 1914-1918--Diplomatic history