Columbia subject headings:
Islamic painting--Congresses.
Ivories, Romanesque--Italy--Sicily--Congresses.
Harvard subject headings:
Islamic ivories--Italy--Sicily--Congresses.
Islamic painting--Congresses.
Ivories, Medieval--Italy--Sicily--Congresses.
Princeton subject headings:
Islamic ivories--Italy--Sicily--History--Congresses.
Islamic painting--History--12th century--Congresses.
Islamic painting--History--13th century--Congresses.
Ivories, Romanesque--Italy--Sicily--Congresses.