Columbia subject headings:
Harvard subject headings:
Alsace-Lorraine question--Congresses.
Irredentism--Europe--History--Congresses.
Princeton subject headings:
Nationalism--Europe--History--Congresses.
Nationalism--France--Alsace--History--Congresses.
Nationalism--France--Lorraine--History--Congresses.
Nationalism--Italy--Trento (Province)--History--Congresses.
Nationalism--Italy--Trieste (Province)--History--Congresses.