Columbia subject headings:
Fertility, Human--France.
Fertility, Human--Netherlands.
Households--France.
Households--Netherlands.
Labor supply--France.
Labor supply--Netherlands.
Harvard subject headings:
Fertility, Human--France.
Fertility, Human--Netherlands.
Households--France.
Households--Netherlands.
Labor supply--France
Labor supply--Netherlands
Princeton subject headings:
Fertility, Human--France.
Fertility, Human--Netherlands.
Households--France.
Households--Netherlands.
Labor supply--France.
Labor supply--Netherlands.