Columbia subject headings:
Concepts.
Knowledge, Theory of--History.
Language and languages--Philosophy.
Perception (Philosophy)
Senses and sensation.
Harvard subject headings:
Concepts.
Knowledge, Theory of--History
Language and languages--Philosophy
Perception (Philosophy)
Senses and sensation.
Princeton subject headings:
Concepts.
Knowledge, Theory of--History.
Language and languages--Philosophy.
Perception (Philosophy)
Senses and sensation.