SUBJECT
Health and hygiene
Social conditions
Children
2
Government policy
2
Older people
2
Age distribution (Demography)
1
Child care
1
Child welfare
1
Congresses
1
Economic aspects
1
Economic conditions
1
Ethnologists
1
Ethnology
1
Field work
1
Forecasting
1
Mortality
1
Mothers
1
Old age assistance
1
Psychology
1
Services for
1