Columbia subject headings:
Aesthetics.
Ethics.
Knowledge, Theory of.
Language and languages--Philosophy.
Urmson, J. O.
Harvard subject headings:
Aesthetics.
Ethics.
Knowledge, Theory of.
Language and languages--Philosophy
Urmson, J. O.
Princeton subject headings:
Aesthetics.
Ethics.
Knowledge, Theory of.
Language and languages--Philosophy.
Urmson, J. O.