Columbia subject headings:
Harvard subject headings:
Arch of Constantine (Rome, Italy)
Art and state--Italy.
Friezes--Italy--Rome.
Sculpture, Roman--Italy--Rome.
Triumphal arches--Italy--Rome.
Princeton subject headings:
Arch of Constantine (Rome, Italy)
Art, Roman--Italy--Rome--Social aspects.
Friezes--Italy--Rome.
Symbolism in art--Italy--Rome.
Triumphal arches--Italy--Rome.