- Cabinet Manual 1, 2
- Cabinet procedure 1
- ‘Cabinets and the Bomb’ (seminar) 1
- Callaghan, James
- and House of Lords 1
- and nuclear weapons 1, 2
- and Official Secrets Act 1
- and press sources 1, 2
- and prime-ministerial functions 1
- Cameron, David
- and defence reviews 1
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- and European Union 1
- and foreign policy 1
- and Libya 1
- and Lords reform 1, 2, 3
- and National Security Council 1, 2
- and nuclear weapons 1, 2
- and prime-ministerial functions 1
- Carrington, Lord Peter 1, 2, 3
- Carter, Jimmy 1
- CASD (continuous at-sea deterrence) 1, 2, 3
- Castle, Barbara 1
- ‘catch-up’ history 1, 2, 3
- CCU (Civil Contingencies Unit) 1, 2, 3
- Chadwick, Owen 1
- Chamberlain, Joseph 1, 2, 3
- ‘Chevaline’ (nuclear weapons programme) 1, 2, 3
- Chicago Tribune (newspaper) 1
- Chiefs of Staff Committee 1, 2
- Chiefs of Staff Report on Defence Policy and Global Strategy
- (1952) 1
- China 1
- Christmas Island 1
- Churchill, Sir Winston
- and Asquith 1, 2
- and Chamberlain 1
- and economic growth 1
- final day in parliament 1
- and history 1, 2, 3, 4
- and Joint Intelligence Committee 1, 2
- and Lords reform 1
- and nuclear weapons 1, 2, 3, 4
- and parliamentary procedure 1
- and power of prime ministers 1
- War Cabinet of 1
- Cicero 1
- CID (Committee of Imperial Defence) 1, 2, 3
- Clarke, Charles 1
- Clausewitz, Carl von 1
- Clegg, Nick
- and European Union 1
- and Lords reform 1, 2, 3, 4, 5
- and National Security Council 1, 2
- climate change 1
- CMC (Common Missile Compartment) 1
- CND (Campaign for Nuclear Disarmament) 1
- coalition government
- and Lords reform 1, 2, 3, 4, 5
- and National Security Council 1
- and nuclear weapons 1, 2
- and prime-ministerial functions 1
- COBRA (Cabinet Office Briefing Room A) 1, 2, 3
- Cold War 1, 2, 3, 4, 5
- Colville, Jock 1
- Conservative Party
- and Lords reform 1, 2, 3, 4
- and nuclear weapons 1, 2, 3, 4
- Constitutional Reform Act (2005) 1
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- Constitutional Renewal and Governance Bill (2009) 1
- Cooper, Sir Frank 1, 2
- Cradock, Sir Percy 1
- Crick, Bernard 1
- Cripps, Stafford 1, 2
- Crowther-Hunt, Lord 1
- Cruse, Ian 1
- ‘crystallised intelligence’ 1
- CSD (Civil Service Department) 1, 2
- Cuban missile crisis 1
- Cunningham, Lord Jack 1, 2, 3