Columbia subject headings:
Rebora, Clemente, 1885-1957--Congresses.
Harvard subject headings:
Rebora, Clemente, 1885-1957--Congresses.
Rebora, Clemente, 1885-1957--Criticism and interpretation--Congresses.
Princeton subject headings:
Rebora, Clemente, 1885-1957--Criticism and interpretation--Congresses.