Columbia subject headings:
Morris, Charles W. (Charles William), 1903-1979.
Peirce, Charles S. (Charles Sanders), 1839-1914.
Saussure, Ferdinand de, 1857-1913.
Semiotics.
Harvard subject headings:
Morris, Charles William, 1901-
Peirce, Charles S. (Charles Sanders), 1839-1914
Saussure, Ferdinand de, 1857-1913.
Semiotics.
Princeton subject headings: