Columbia subject headings:
Catacombs--Italy--Syracuse.
Cemeteries--Italy--Syracuse.
Christian antiquities--Italy--Syracuse.
Mural painting and decoration, Early Christian--Italy--Syracuse--Themes, motives.
Harvard subject headings:
Catacombs--Italy--Syracuse.
Cemeteries--Italy--Syracuse.
Christian antiquities--Italy--Syracuse.
Mural painting and decoration, Early Christian--Italy--Syracuse--Themes, motives.
Princeton subject headings:
Catacombs--Italy--Syracuse.
Christian art and symbolism--To 500--Italy--Syracuse.
Mosaics, Early Christian--Italy--Syracuse.
Mural painting and decoration, Early Christian--Italy--Syracuse.