Columbia subject headings:
Historic buildings--Congresses.
Monuments--Congresses.
Social representations--Congresses.
Harvard subject headings:
Historic buildings--Congresses.
Monuments in art--Congresses.
Monuments--Congresses.
Social representations--Congresses.
Princeton subject headings:
Historic buildings--Congresses.
Monuments in art.
Monuments--Congresses.
Social representations--Congresses.