SUBJECT
Social life and customs
4
Environmental protection
2
Ethnology
2
Kinship
2
Assistance in emergencies
1
Atlases, Philippine
1
Biological diversity
1
Citizen participation
1
Civilization
1
Climate
1
Conservation of natural resources
1
Crisis management
1
Economic conditions
1
Environmental degradation
1
Ethnic relations
1
Family
1
Government, Primitive
1
Hazardous geographic environments
1
Management
1
Minorities
1
Natural disasters
1
Natural resources
1
Pictorial works
1
Research
1
Social conditions
1
Social structure
1
Special events
1