Columbia subject headings:
Harvard subject headings:
Child development
Children--Language
Cognition in children.
Multilingualism in children.
Psycholinguistics.
Vygotskiĭ, L. S. (Lev Semenovich), 1896-1934
Princeton subject headings:
Child development.
Children--Language.
Cognition in children.
Multilingualism in children.
Psycholinguistics.