Columbia subject headings:
Child psychology.
Collaborative Perinatal Project (U.S.)
Intellect.
Maternal health services.
Nature and nurture.
Harvard subject headings:
Child psychology
Collaborative Perinatal Project (U.S.)
Intellect
Maternal health services.
Nature and nurture
Princeton subject headings:
Child psychology.
Collaborative Perinatal Project (U.S.)
Intellect.
Maternal health services.
Nature and nurture.