O S

Oman Pakistan Pakistan Bahawalpur Pakistan-Bahawalpur Palau Palestine Palm Islands Panama Papua New Guinea Paraguay Penrhyn Peru Philippines Pitcairn Islands Poland Portugal Portuguese Colonies Portuguese Guinea Portuguese India Prince Edward Island Puerto Rico Qatar Queensland Redonda Rep of China Northeastern Prov Republic of China Republic of China-Taiwan Republic of Viet Nam (South) Reunion Rhodesia Rhodesia & Nyasaland Rio Muni

Roman States Romania Ross Dependency Ruanda-Urundi Russia Russian Off. - Turkish Empire Rwanda Ryukyu Islands Saar Sahara Samoa San Marino Sarawak Saudi Arabia Scandinavia Schleswig Scotland Senegal Serbia Seychelles Sharjah & Dependencies Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somali Coast Somalia South Africa South Arabia South Australia South Georgia

South Korea South West Africa South West Africa & Namibia Southern Rhodesia Soviet Union Spain Spanish Andorra Spanish Colonies Spanish Guinea Spanish Morocco Spanish Sahara Sri Lanka St. Christopher St. Helena St. Kitts St. Kitts-Nevis St. Lucia St. Pierre & Miquelon St. Thomas & Prince Islands St. Vincent St. Vincent Grenadines Straits Settlements Sudan Surinam Swaziland Sweden Switzerland Syria Syria-UAR