Columbia subject headings:
Harvard subject headings:
Atina (Italy)--History--Congresses.
Bloch, Herbert, 1911-2006.
Montecassino (Monastery)--Congresses.
Princeton subject headings:
Atina (Italy)--History--Congresses.
Bloch, Herbert, 1911-2006--Congresses.
Montecassino (Monastery)--Congresses.