Columbia subject headings:
Architecture--Italy--Palermo--History--20th century--Designs and plans--Exhibitions.
Architecture--Italy--Palermo--History--20th century--Exhibitions.
Architecture--Italy--Palermo--History--21st century--Designs and plans--Exhibitions.
Architecture--Italy--Palermo--History--21st century--Exhibitions.
Ferla, Giuseppe, 1941---Exhibitions.
Harvard subject headings:
Architecture--Italy--Palermo--History--Designs and plans--Exhibitions.
Architecture--Italy--Palermo--History--Exhibitions.
Ferla, Giuseppe, 1941---Exhibitions.
Princeton subject headings: