Columbia subject headings:
Arts, German--Congresses.
Arts, Italian--Congresses.
German literature--Appreciation--Italy--Congresses.
German literature--Italian influences--Congresses.
Germany--Relations--Italy--Congresses.
Italian literature--Appreciation--Germany--Congresses.
Italian literature--German influences--Congresses.
Italy--Relations--Germany--Congresses.
Harvard subject headings:
Arts, German--Congresses.
Arts, Italian--Congresses.
German literature--Appreciation--Italy--Congresses.
German literature--Italian influences--Congresses.
Germany--Relations--Italy--Congresses.
Italian literature--Appreciation--Germany--Congresses.
Italian literature--German influences--Congresses.
Italy--Relations--Germany--Congresses.
Princeton subject headings:
Arts, German--Congresses.
Arts, Italian--Congresses.
German literature--Appreciation--Italy--Congresses.
German literature--Italian influences--Congresses.
Germany--Relations--Italy--Congresses.
Italian literature--Appreciation--Germany--Congresses.
Italian literature--German influences--Congresses.
Italy--Relations--Germany--Congresses.