Subject
- Foreign relations10
- Armed Forces9
- Cold War9
- Deception (Military science)9
- Electronic intelligence9
- Military campaigns9
- Military relations8
- United States8
- United States. Navy8
- Collaborationists7
- Espionage7
- Generals7
- Intelligence specialists7
- MacArthur, Douglas, 1880-19647
- Officers7
- Research7
- Sorge, Richard, 1895-19447
- Strategy7
- World War, 1914-19187
- Aerial operations, American6