Region
- Greece 3 results
- Rome 3 results
- Australia 2 results
- Great Britain 2 results
- New Zealand 2 results
- United States 2 results
- Arctic Coast (Russia) 1 results
- Bengal (India) 1 results
- Developing countries 1 results
- Ganges River Delta (Bangladesh and India) 1 results
- Germany 1 results
- Hawaii 1 results
- Japan 1 results
- Oceania 1 results
- Ontario 1 results
- Pacific Area 1 results
- Russia, Northern 1 results
- South Africa 1 results
- Study and teaching 1 results
- Sydney 1 results
- Tokyo 1 results