Columbia subject headings:
Architecture, Gallo-Roman--Congresses.
Decoration and ornament, Architectural--France--History--Congresses.
Decoration and ornament, Architectural--Gaul--History--Congresses.
France--Antiquities--Congresses.
Gaul--Antiquities--Congresses.
Harvard subject headings:
Architecture, Gallo-Roman--Congresses.
Decoration and ornament, Architectural--France--History--Congresses.
Decoration and ornament, Architectural--Gaul--History--Congresses.
France--Antiquities--Congresses.
Gaul--Antiquities--Congresses.
Princeton subject headings: