Botting, Douglas. <br/><br/>
The U-boats / 
by Douglas Botting and the editors of Time-Life Books. 
 - Alexandria, Va. :  Time-Life Books,  c1979. 
 - 176 p. :  ill. ;  29 cm. 
 - Seafarers .
<br/><br/>Includes bibliographical references (p. 172) and index. 
<br/><br/><label>ISBN: </label>0809426757 0809427249 (lib. bdg.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Submarine warfare--History.<br/>World War, 1914-1918--Naval operations--Submarine.<br/>World War, 1939-1945--Naval operations--Submarine.
<br/><br/><label>LC Class. No.: </label>VK15  / .A8 v.18 V210  / .B67 
<br/><br/><label>Dewey Class. No.: </label>359.8/3