P |
PAHO | Pan-American Health Organization. |
PANA | Pan-African Press Agency. |
PAU | Pan-American Union. |
PLO | Palestine Liberation Organization. |
POW | Prisoner of War. |
PUAS | Postal Union of the Americas and Spain. |
R |
R AND D | Research and Development. |
RCD | Middle East Regional Co-operation for Development. |
REPCO | Reparation Committee of the Big Powers. |
RSFSR | Russian Soviet Federated Socialist Republic. |