Columbia subject headings:
Harvard subject headings:
Art, Celtic--Gaul--Roman influences--Congresses.
Art, Gallo-Roman--Congresses.
France--Antiquities, Roman--Congresses.
Gaul--Antiquities, Roman--Congresses.
Gods, Celtic, in art--Congresses.
Princeton subject headings:
Art, Gallo-Roman--France--Congresses.
Gaul--Antiquities--Congresses.