Schaeffer,  Heinz <br/><br/>
U- Boat  977   / 
Heinz Schaeffer ; Preface by the Earl of Cork an d Orrery ;  Foreword by Nicholas Monsarrat 
 - London :  W.Kimber ,  1952 
 - 207 p. :  ill.  ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>U - 977 (Submarine)<br/>World War, 1939-1945--Naval operations--Submarine
<br/><br/><label>Dewey Class. No.: </label>940.5451 SCHA