Columbia subject headings:
Language acquisition.
Language and languages--Origin.
Language and languages--Philosophy.
Linguistic change.
Semantics (Philosophy)
Harvard subject headings:
Language acquisition.
Language and languages--Origin
Language and languages--Philosophy
Linguistic change.
Semantics (Philosophy)
Princeton subject headings:
Language acquisition.
Language and languages--Origin.
Language and languages--Philosophy.
Linguistic change.
Semantics (Philosophy)