Columbia subject headings:
Fertility, Human--Mexico.
Mexico--Emigration and immigration.
Migration, Internal--Mexico.
Mortality--Mexico.
United States--Emigration and immigration.
Harvard subject headings:
Fertility, Human--Mexico
Mexico--Emigration and immigration.
Migration, Internal--Mexico
Mortality--Mexico.
United States--Emigration and immigration.
Princeton subject headings:
Fertility, Human--Mexico.
Mexico--Emigration and immigration.
Migration, Internal--Mexico.
Mortality--Mexico.
United States--Emigration and immigration.