• 13 History
• 6 Bullying
• 6 Cold War
• 6 Defectors
• 6 Friendship
• 6 Great Britain. MI5
• 6 Private schools
• 6 Secret service
• 6 Soviet Union. Komitet gosudarstvennoĭ bezopasnosti
• 6 Students
• 5 Blunt, Anthony, 1907-1983
• 5 Burgess, Guy, 1911-1963
• 5 Espionage, Soviet
• 5 Maclean, Donald, 1913-1983
• 5 Philby, Kim, 1912-1988
• 5 Spies
• 4 French drama
• 4 Furst, Alan
• 4 Military attachés
• 4 World War, 1914-1918
• 4 World War, 1939-1945
• 3 Foreign relations
• 3 Hitler, Adolf, 1889-1945
• 3 National socialism
• 3 Nationalsozialistische Deutsche Arbeiter-Partei

• 13 British Broadcasting Corporation
• 6 Addie, Robert, 1960-2003
• 6 BBC Wales
• 6 Bennett, Rodney, 1935-2017
• 6 Burbage, Robert (Actor)
• 6 Kipling, Rudyard, 1865-1936
• 6 Letts, Barry
• 6 Neville, Radford
• 6 Parfitt, David, 1958-
• 6 Sterland, John
• 6 Woodnutt, John
• 5 Discovery Channel (Firm)
• 5 Fywell, Tim
• 5 Perpetual Motion Pictures (London, England)
• 5 Shivas, Mark
• 4 Derewenda, Piotr
• 4 Dorociński, Marcin, 1973-
• 4 Furst, Alan
• 4 Giedroyc, Coky
• 4 Montgomery, Janet, 1985-
• 4 Praed, Michael, 1960-
• 4 Tennant, David, 1971-
• 3 72 Films
• 3 BBC Studios

• 44 English
• 4 Unknown

• 13 Great Britain
• 8 England
• 7 Soviet Union
• 6 Germany
• 4 Poland
• 4 Warsaw
• 4 Warsaw (Poland)
• 2 France
• 2 Normandy
• 2 Scotland
• 1 Arizona
• 1 Arizone
• 1 Corfu Island
• 1 Corfu Island (Greece)
• 1 Greece
• 1 New Mexico
• 1 Southwest, New
• 1 Tombstone
• 1 United States

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