Botting, Douglas.

The U-boats / by Douglas Botting and the editors of Time-Life Books. - Alexandria, Va. : Time-Life Books, c1979. - 176 p. : ill. ; 29 cm. - The seafarers .

Includes index.

Bibliography: p. 172.

ISBN: 0809426757 0809427249

LCCN: 79017043 //r83

Subjects--Topical Terms:
Submarine warfare
World War, 1914-1918
World War, 1939-1945