Columbia subject headings:
Harvard subject headings:
Democracy--Germany--Congresses.
Democracy--Italy--Congresses.
Germany--Emigration and immigration--Congresses.
Human rights--Germany--Congresses.
Human rights--Italy--Congresses.
Italy--Emigration and immigration--Congresses.
Princeton subject headings:
Democracy--Germany--Congresses.
Democracy--Italy--Congresses.
Germany--Emigration and immigration--Congresses.
Human rights--Germany--Congresses.
Human rights--Italy--Congresses.
Italy--Emigration and immigration--Congresses.