- Art historians1
- Blunt, Anthony, 1907-19831
- Communism2
- Communist strategy2
- Counterrevolutions1
- Dansey, Claude Edward Marjoribanks, Sir, 1876-19471
- Defectors4
- Espionage11
- Espionage, British2
- Espionage, Czechoslovak1
- Espionage, Soviet7
- Gast, Gabriele, 1943-1
- Gay men1
- Germany (East)1
- Germany (East). Ministerium fur Staatssicherheit1
- Germany. Bundesnachrichtendienst1
- Guerrilla warfare1
- Hambleton, Hugh1
- Intelligence officers1
- Intelligence service6