Columbia subject headings:
Bobbio, Norberto, 1909-2004--Congresses.
Political science--Philosophy--Congresses.
Harvard subject headings:
Bobbio, Norberto, 1909-2004--Congresses.
Intellectuals--Italy--Congresses.
Political science--Philosophy--Congresses
Princeton subject headings:
Bobbio, Norberto, 1909-2004--Congresses.
Intellectuals--Italy--Congresses.
Political science--Philosophy--Congresses.