Columbia subject headings:
Language and culture.
Semiotics.
Signs and symbols.
Space and time in language.
Space and time in literature.
Writing.
Harvard subject headings:
Language and culture.
Semiotics.
Signs and symbols
Space and time in literature.
Writing
Princeton subject headings:
Language and culture.
Semiotics.
Signs and symbols.
Space and time in language.
Space and time in literature.
Writing.