History 89 World War, 1939-1945 62 Biography 51 Foreign relations 37 Great Britain 30 Politics and government 27 World War, 1914-1918 17 Army 15 History, Military 14 Secret service 14 Military policy 13 Regimental histories 11 Armed Forces 9 Campaigns 9 Law and legislation 9 Management 9 Generals 8 Soldiers 8 Aerial operations, British 6 Personal narratives, British 6 Terrorism 6 20th century 5 Government policy 5 Intelligence officers 5 Intelligence service 5 Naval operations, British 5 Nuclear weapons 5 Prime Ministers 5 Special forces (Military science) 5 Tank warfare 5