Subject
Secret service
94 results
World War, 1939-1945
93 results
History
43 results
Spies
34 results
Underground movements
23 results
Women spies
20 results
Espionage
11 results
Intelligence officers
7 results
Large type books
7 results
Military intelligence
7 results
Campaigns
6 results
Cryptography
6 results
Spy stories
6 results
War stories
6 results
Espionage, American
5 results
Investigation
5 results
Murder
5 results
Commando operations
4 results
Electronic books
4 results
Women
4 results
Atomic bomb
3 results
Electronic intelligence
3 results
Espionage, British
3 results
Espionage, German
3 results
Female assassins
3 results
Intelligence service
3 results
Jews
3 results
Journalists
3 results
Undercover operations
3 results
Americans
2 results
Anti-Nazi movement
2 results
Attempted assassination
2 results
Baseball players
2 results
Brothels
2 results
Catchers (Baseball)
2 results
Conspiracies
2 results
Crimes against
2 results
Cryptographers
2 results
Death
2 results
Deception
2 results
Enigma cipher system
2 results
Espionage, Soviet
2 results
Family secrets
2 results
Holocaust, Jewish (1939-1945)
2 results
Married people
2 results
Military
2 results
Mothers
2 results
Mothers and daughters
2 results
Nazis
2 results
Nuclear weapons
2 results
more…