Region
- United States 445 results
- Great Britain 18 results
- Soviet Union 16 results
- Developing countries 15 results
- China 10 results
- France 10 results
- Latin America 9 results
- Africa 8 results
- Europe 8 results
- Japan 6 results
- New York (State) 6 results
- America 5 results
- Germany (West) 5 results
- Middle East 5 results
- Europe, Eastern 4 results
- European Economic Community countries 4 results
- Florida 4 results
- Argentina 3 results
- Belgium 3 results
- Central America 3 results
- Congo (Democratic Republic) 3 results
- Netherlands 3 results
- Pennsylvania 3 results
- Russia 3 results
- Southeast Asia 3 results
- Switzerland 3 results
- Vietnam 3 results
- Yugoslavia 3 results
- États-Unis 3 results
- Africa, North 2 results
- Arab countries 2 results
- Arizona 2 results
- Asia 2 results
- Berlin (Germany) 2 results
- Boston (Mass.) 2 results
- Cuba 2 results
- Dominican Republic 2 results
- Falkland Islands 2 results
- Foreign countries 2 results
- Georgia 2 results
- Germany 2 results
- Guyana 2 results
- Illinois 2 results
- India 2 results
- Italy 2 results
- Malaysia 2 results
- Mexico 2 results
- New York (N.Y.) 2 results
- Outer space 2 results
- Panama Canal (Panama) 2 results more…