Columbia subject headings:
Harvard subject headings:
Birth control--Public opinion.
Demography--Public opinion.
Economic assistance, American--Public opinion.
Population assistance, American--Public opinion.
Population--Public opinion.
Public opinion--United States
Princeton subject headings:
Birth control--Public opinion.
Demography--Public opinion.
Economic assistance, American--Public opinion.
Population assistance, American--Public opinion.
Population--Public opinion.
Public opinion--United States.