Morton, Fredric <br/><br/>
Thunder at twilight :  Vienna, 1913-1914 / 
Fredric Morton. 
 - New York :  Collier Books,  c1990. 
 - x, 385 p. : photos. 
<br/><br/> Includes references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vienna (Austria)--History<br/>Austria--History--1867-1918<br/>World War, 1914-1918--Causes