Trevor-Roper, H. R. <br/><br/>
Blitzkrieg to defeat :  Hitler's war dirtctives 1939-1945 / 
H. R. Trevor Roper. 
 - New York :  Holt, Rinehart And Winston,  1964. 
 - 231 s. ;  22 cm. 
<br/><br/> History 
<br/><br/><label>Subjects--Index Terms: </label>World War, 1939-1945 -- Sources World War, 1939-1945 -- Germany