Columbia subject headings:
Demeter (Greek deity)--Cult--Congresses.
Demeter (Greek deity)--Cult--Italy--Sicily--Congresses.
Harvard subject headings:
Demeter (Greek deity)--Cult--Congresses.
Greece--Religion--Congresses.
Sicily (Italy)--Religion--Congresses.
Princeton subject headings:
Demeter (Greek deity)--Cult--Congresses.
Greece--Religion--Congresses.
Sicily (Italy)--Religion--Congresses.