| Christian Socialist Movement |
Party-affiliated organisations |
|
| Church Action on Poverty |
Pressure/campaign organisations |
|
| Church Army |
Religious organisations |
|
| Church Assembly |
Religious organisations |
forerunner to General Synod |
| Church Missionary Society |
Religious organisations |
|
| Church of Scotland |
Religious organisations |
|
| Cinematograph Exhibitors' Association |
Professional/trade organisations |
|
| Civil Rights Association |
Pressure/campaign organisations |
|
| Clergy Defence Association |
Pressure/campaign organisations |
|
| Clyde Workers Committee |
Professional/trade organisations |
|
| Coalition for Peace through Security |
Pressure/campaign organisations |
|
| Coal Merchants' Federation of Great Britain |
Professional/trade organisations |
|
| Cold Storage and Ice Association |
Professional/trade organisations |
|
| Common Market Campaign |
Pressure/campaign organisations |
|
| Common Market Safeguards Committee |
Pressure/campaign organisations |
|
| Commonwealth |
International organisations |
|
| Commonwealth Institute |
Miscellaneous |
|
| Compass |
Pressure/campaign organisations |
|
| Conference of Churches of Christ |
Miscellaneous |
|
| Congregationalist |
Religious organisations |
|
| Congregational Union of England and Wales |
Religious organisations |
|
| Conservative and Unionist Organisation |
Party-affiliated organisations |
|
| Conservative Association |
Party-affiliated organisations |
|
| Conservative Cooperative Movement |
Pressure/campaign organisations |
|
| Conservatives for Europe |
Party-affiliated organisations |
|