Columbia subject headings:
Peirce, Charles S. (Charles Sanders), 1839-1914.
Philosophical anthropology.
Semiotics.
Signs and symbols.
Harvard subject headings:
Peirce, Charles S. (Charles Sanders), 1839-1914
Philosophical anthropology.
Semiotics.
Signs and symbols.
Princeton subject headings:
Peirce, Charles S. (Charles Sanders), 1839-1914--Contributions in semiotics.
Semiotics.