Columbia subject headings:
Calabria (Italy)--Intellectual life--Congresses.
Pythagoras and Pythagorean school--Congresses.
Harvard subject headings:
Calabria (Italy)--Intellectual life--Congresses.
Pythagoras and Pythagorean school--Congresses.
Princeton subject headings:
Calabria (Italy)--Intellectual life--Congresses.
Pythagoras and Pythagorean school--Congresses.