Columbia subject headings:
America--Discovery and exploration--Influence--Congresses.
Good and evil--History--Congresses.
Liberty--Philosophy--History--Congresses.
Philosophical anthropology--History--Congresses.
Philosophy--Europe--History--Congresses.
Harvard subject headings:
America--Discovery and exploration--Influence--Congresses.
Columbus Quincentenary, 1992-1993--Congresses.
Good and evil--Congresses
Good and evil--History--Congresses.
Liberty--Congresses
Liberty--Philosophy--History--Congresses.
Philosophical anthropology--History--Congresses.
Philosophy--Congresses
Philosophy--Europe--History--Congresses.
Princeton subject headings:
America--Discovery and exploration--Influence--Congresses.
Good and evil--History--Congresses.
Liberty--Philosophy--History--Congresses.
Philosophical anthropology--History--Congresses.
Philosophy--Europe--History--Congresses.