Columbia subject headings:
German literature--Italy--History and criticism.
Germany--Relations--Italy--Congresses.
Italy--In literature--Congresses.
Italy--Relations--Germany--Congresses.
Harvard subject headings:
German literature--Italy--History and criticism.
Germany--Relations--Italy--Congresses.
Italy--In literature--Congresses.
Italy--Relations--Germany--Congresses.
Princeton subject headings:
German literature--Italy--History and criticism.
Germany--Relations--Italy--Congresses.
Italy--In literature--Congresses.
Italy--Relations--Germany--Congresses.