Region
- 5.240 2 results
- 7.150 2 results
- Africa 6 results
- Alaska 2 results
- Amchitka Island 2 results
- Amchitka Island (Alaska) 2 results
- Argentina 2 results
- Arizona 2 results
- Asia 6 results
- Australia 2 results
- Berkeley (Calif.) 2 results
- Boston (Mass.) 2 results
- Brazil 2 results
- Budapest 2 results
- Bulgaria 2 results
- Canada 2 results
- Central America 2 results
- Chile 2 results
- China 10 results
- Communist countries 2 results
- Cuba 6 results
- Developing countries 4 results
- East Asia 2 results
- Europe 8 results
- Europe, Central 4 results
- Europe, Eastern 14 results
- Europe, Western 2 results
- France 8 results
- Georgia 2 results
- Germany 2 results
- Germany (East) 2 results
- Germany (West) 2 results
- Great Britain 12 results
- Hungary 10 results
- India 4 results
- Iran 2 results
- Israel 2 results
- Italy 4 results
- Japan 24 results
- Korea (North) 2 results
- Korea (South) 2 results
- Latin America 4 results
- Lebanon 2 results
- Maine 2 results
- Massachusetts 2 results
- Michigan 2 results
- Middle East 4 results
- Missouri 2 results
- Okinawa Island (Japan) 2 results
- Pacific Area 4 results more…