Columbia subject headings:
Lewis, C. S. (Clive Staples), 1898-1963--Congresses.
Philosophical anthropology--Congresses.
Pieper, Josef, 1904-1997--Congresses.
Theological anthropology--Congresses.
Harvard subject headings:
Lewis, C. S. (Clive Staples), 1898-1963--Congresses.
Philosophical anthropology--Congresses.
Pieper, Josef, 1904-1997--Congresses.
Theological anthropology--Congresses.
Princeton subject headings:
Lewis, C. S. (Clive Staples), 1898-1963--Congresses.
Philosophical anthropology--Congresses.
Pieper, Josef, 1904-1997--Congresses.
Theological anthropology--Congresses.