Columbia subject headings:
Harvard subject headings:
Arts, French--History--Congresses.
Arts, Italian--History--Congresses.
Arts, Modern--History--Congresses.
Love--France--History--Congresses.
Love--Italy--History--Congresses.
Princeton subject headings:
Arts, French--Congresses.
Arts, Italian--Congresses.
German language--Semantics--Congresses.
Love in art--Congresses.