Columbia subject headings:
Authors, Italian--19th century--Congresses.
Authors, Italian--20th century--Congresses.
Authors, Italian--Italy--Sicily--Congresses.
Emiliani-Giudici, Paolo, 1812-1872--Criticism and interpretation--Congresses.
Giudici, Paolo, 1887-1964--Criticism and interpretation--Congresses.
Harvard subject headings:
Emiliani-Giudici, Paolo, 1812-1872--Criticism and interpretation--Congresses.
Giudici, Paolo, 1889-1964--Criticism and interpretation--Congresses.
Princeton subject headings:
Emiliani-Giudici, Paolo, 1812-1872--Criticism and interpretation--Congresses.
Giudici, Paolo, 1889-1964--Criticism and interpretation--Congresses.