Columbia subject headings:
Catacombs--Italy--Rome.
Christian art and symbolism--Italy--Rome--History--Early church, ca. 30-600--Catalogs.
Mural painting and decoration, Early Christian--Italy--Rome--Catalogs.
Harvard subject headings:
Catacombs--Italy--Rome--Catalogs.
Christian antiquities--Italy--Rome--Catalogs.
Christian art and symbolism--Italy--Rome--To 500--Catalogs.
Church history--Primitive and early church, ca. 30-600--Sources.
Mural painting and decoration--Italy--Rome--Catalogs.
Parker, John Henry, 1806-1884--Photograph collections--Catalogs.
Rome (Italy)--Antiquities--Catalogs.
Princeton subject headings:
Catacombs--Italy--Rome.
Christian art and symbolism--To 500--Italy--Rome.
Mural painting and decoration, Early Christian--Italy--Rome.
Mural painting and decoration--Italy--Rome.
Parker, John Henry, 1806-1884--Photograph collections.