SUBJECT
Rice
Civilization
2
History
2
National characteristics, Japanese
2
Social aspects
2
Social life and customs
2
Terracing
2
Agriculture
1
Antiquities
1
Cultural Property
1
Decision making
1
Economic conditions
1
Historic Sites
1
Human ecology
1
Ifugao (Philippine people)
1
Irrigation
1
Landscapes
1
Malaya
1
Planting
1
Protection
1
Rice terraces
1
Social structure
1