Columbia subject headings:
Harvard subject headings:
Language and languages--Philosophy
Saussure, Ferdinand de, 1857-1913.
Wagner, Richard, 1813-1883
Wagner, Richard, 1813-1883--Views on language.
Princeton subject headings:
Saussure, Ferdinand de, 1857-1913.
Semiotics.
Wagner, Richard, 1813-1883--Views on language.