| Palestine Jewish Colonisation Association |
Pressure/campaign organisations |
|
| Papermakers' Association |
Professional/trade organisations |
|
| Parliamentary Peace Aims Group |
International organisations |
|
| Pattern Makers Co |
Miscellaneous |
|
| Peace Pledge Union |
Pressure/campaign organisations |
PPU |
| Peace Society |
Pressure/campaign organisations |
|
| Peoples Suffrage Federation |
Pressure/campaign organisations |
|
| PGB-Clyde Workers Committee |
Pressure/campaign organisations |
|
| Pharmaceutical Society |
Professional/trade organisations |
|
| Plebs League |
Pressure/campaign organisations |
|
| Policy Exchange |
Think tanks/intellectual societies |
|
| Political and Economic Planning |
Pressure/campaign organisations |
PEP |
| Political Union |
Pressure/campaign organisations |
|
| Poor Law Union |
Pressure/campaign organisations |
|
| Port of London Authority |
Miscellaneous |
|
| Post Office Users National Council |
Pressure/campaign organisations |
|
| Poultry Association of Great Britain |
Miscellaneous |
|
| Press Association |
Professional/trade organisations |
|
| Pressure for Economic and Social Toryism |
Party-affiliated organisations |
PEST |
| Primrose League |
Party-affiliated organisations |
|
| Prisoners Aid Society |
Pressure/campaign organisations |
|
| Professional Association of Teachers |
Pressure/campaign organisations |
Teaching union NOT affiliated to TUC |
| Property Defence Association |
Pressure/campaign organisations |
|
| Property Owners Protection Association |
Pressure/campaign organisations |
|
| Proportional Representation Society |
Pressure/campaign organisations |
|