Columbia subject headings:
Adopted children--Psychology.
Individuality in children.
Infant psychology.
Nature and nurture.
Harvard subject headings:
Adopted children--Psychology
Colorado Adoption Project.
Individual differences in infants.
Individuality in children.
Infant psychology.
Nature and nurture.
Princeton subject headings:
Adopted children--Psychology.
Individuality in children.
Infant psychology.
Nature and nurture.