Columbia subject headings:
Harvard subject headings:
Christian antiquities--Italy--Rome--Congresses.
Church architecture--Conservation and restoration--Italy--Rome--Congresses.
Mural painting and decoration, Early Christian--Italy--Rome--Congresses.
Mural painting and decoration, Medieval--Italy--Rome--Congresses.
Mural painting and decoration, Roman--Italy--Rome--Congresses.
Roman Forum (Rome, Italy)--Congresses.
Rome (Italy)--Buildings, structures, etc.--Congresses.
Santa Maria Antiqua (Church : Rome, Italy)--Congresses.
Princeton subject headings:
Christian antiquities--Italy--Rome--Congresses.
Mural painting and decoration, Medieval--Italy--Rome--Congresses.
Roman Forum (Rome, Italy)--Congresses.
Rome (Italy)--Buildings, structures, etc.--Congresses.
Santa Maria Antiqua (Church : Rome, Italy)--Congresses.