Columbia subject headings:
Harvard subject headings:
Ferentino (Italy)--History--Congresses.
World War, 1939-1945--Underground movements--Italy--Ferentino--Congresses.
Princeton subject headings:
Anti-fascist movements--Italy--Frosinone (Province)--History--19th century--Congresses.
Anti-fascist movements--Italy--Frosinone (Province)--History--20th century--Congresses.
Frosinone (Italy : Province)--History--Congresses.
Frosinone (Italy : Province)--History--Sources--Congresses.