Schnellboote : operaties vanuit Holland, Vlaanderen en Frankrijk 1940-1945 / Jac.J. Baart Schlüssel M : Allgemeine Bestimmungen / Oberkommando der Kriegsmarine How to fly the B-29 Superfortress : the official manual for the plane that bombed Hiroshima and Nagasaki / new introduction by Jeffrey L. Ethell