Subject
Intelligence officers
154
History
54
Intelligence service
29
World War, 1939-1945
26
Secret service
23
Officials and employees
19
Cold War
16
Women intelligence officers
15
Spies
14
Espionage, American
12
Foreign relations
12
Military intelligence
11
Politics and government
10
Terrorism
8
Espionage, Soviet
7
Terrorists
7
Campaigns
6
Corrupt practices
6
Prevention
6
Undercover operations
6
Corporations, American
5
Economists
5
Energy consultants
5
Imperialism
5
National security
5
Travel
5
Vietnam War, 1961-1975
5
World politics
5
Defectors
4
High interest-low vocabulary books
4
Underground movements
4
War on Terrorism, 2001-2009
4
Women
4
African American women
3
Ambassadors
3
Americans
3
Biography
3
Description and travel
3
Diplomats
3
Espionage
3
Family
3
Nazis
3
Officers
3
Prisoners of war
3
Spy stories
3
Women spies
3
African Americans
2
Anti-Nazi movement
2
Arab-Israeli conflict
2
Assassination
2
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