Dobbs, Michael. Saboteurs: The Nazi Raid on AmericaISBN 0-375-41470-3 (2004)
Duffy, J.P. Target: America: Hitler's Plan to Attack the United States, Praeger Publishers; PB: The Lyons Press ISBN 0275966844 (A Booklistreview)
Gimpel, Erich. Agent 146: The True Story of a Nazi Spy in AmericaISBN 0-312-30797-7 (2003)
Griehl, Manfred. Luftwaffe over America: The Secret Plans to Bomb the United States in World War IIISBN 1-85367-608-X (2004)
Hadley, Michael. U-Boats Against Canada: German Submarines in Canadian Waters. — McGill Queens University Press, 1985. — ISBN 0-7735-0801-5.
Horn, Steve (2005), The Second Attack on Pearl Harbor: Operation K And Other Japanese Attempts to Bomb America in World War II, Naval Institute Press, ISBN1-59114-388-8
Mikesh, Robert C. Japan's World War II Balloon Bomb Attacks on North America, Smithsonian Institution Press, (1973)
O'Donnell, Pierce, In Time of War: Hitler's Terrorist Attack on America (Operation Pastorius), The New Press, 2005 ISBN 978-1-56584-958-7
Webber, Bert. Silent Siege: Japanese Attacks Against North America in World War II, Ye Galleon Press, Fairfield, Washington (1984). ISBN 0-87770-315-9 (hardcover). ISBN 0-87770-318-3 (paperbound).