Columbia subject headings:
Lewis, David K. (David Kellogg), 1941-2001--Criticism and interpretation.
Metaphysics.
Philosophy, American--20th century.
Harvard subject headings:
Knowledge, Theory of.
Lewis, David K. (David Kellogg), 1941-2001--Criticism and interpretation.
Metaphysics
Philosophy, American--20th century.
Princeton subject headings:
Lewis, David K. (David Kellogg), 1941-2001--Criticism and interpretation.
Metaphysics.
Philosophy, American--20th century.