Cover name: Dr. Rantzau

Ritter, Nikolaus Adolf Fritz, 1899-1974, author.
Lexington : University Press of Kentucky, [2019]

The Baltimore Sabotage Cell : German agents, American traitors, and the U-boat Deutschland during Wo

Messimer, Dwight R., 1937-
Annapolis, Maryland : Naval Institute Press, [2015]

Dark invasion : 1915: Germany's secret war and the hunt for the first terrorist cell in America

Blum, Howard, author.
New York : Harper, [2014]
First Edition.

Fetch the devil : the Sierra Diablo murders and Nazi espionage in America

Richmond, Clint (Reporter), author.
[Lebanon, New Hampshire?] : ForEdge, [2014]

Spying in America : espionage from the Revolutionary War to the dawn of the Cold War

Sulick, Michael J.
Washington, DC : Georgetown University Press, [2012]

The game of the foxes; the untold story of German espionage in the United States and Great Britain d

Farago, Ladislas.
New York : D. McKay Co., [1972, c1971]

The game of the foxes; the untold story of German espionage in the United States and Great Britain d

Farago, Ladislas.
New York : D. McKay Co., [1971]

The nuclear spies : America's atomic intelligence operation against Hitler and Stalin

Houghton, Vince, author.
Ithaca, New York : Cornell University Press, 2019.

Lessons in leadership : my life in the US Army from World War II to Vietnam

Deane, John R. (John Russell), 1919-2013, author.
The University Press of Kentucky : Lexington, Kentucky, [2018]

Privacy and power : a transatlantic dialogue in the shadow of the NSA-Affair

Cambridge [UK] ; New York : Cambridge University Press, 2017.

The Snowden reader

Fidler, David P., author.
Bloomington, IN : Indiana University Press, [2015]

Troutmouth : the two careers of Hugh Clegg

Borne, Ronald F.
Jackson : University Press of Mississippi, 2015.

Haig's Intelligence : GHQ and the German Army, 1916-1918.

Beach, Jim, 1969-
Cambridge : Cambridge University Press, 2013.

The Espionage and Sedition Acts of World War I : using wartime loyalty laws for revenge and profit

Donalson, Daniel G., 1952-
El Paso : LFB Scholarly Pub., 2012.

Secrets of the Cold War : US Army Europe's intelligence and counterintelligence activities against t

McCaslin, Leland C.
Solihull : Helion, 2010.

Hitler's man in Havana : Heinz Lüning and Nazi espionage in Latin America

Schoonover, Thomas David, 1936-
Lexington, Ky. : University Press of Kentucky, [2008]

U.S. intelligence and the Nazis

Cambridge ; New York : Cambridge University Press, 2005.

Counterspy : memoirs of a counterintelligence officer in World War II and the Cold War

Cutler, Richard W.
Washington, D.C. : Brassey's, [2004]
1st ed.

Call in Pinkerton's : American detectives at work for Canada

Williams, David R. (David Ricardo), 1923-
Toronto [Ont.] : Dundurn Press, [1998]

Battleground Berlin : CIA vs. KGB in the Cold War

Murphy, David E., 1921-2014.
New Haven : Yale University Press, [1997]

Insidious foes : the Axis Fifth Column and the American home front

MacDonnell, Francis.
New York : Oxford University Press, 1995.