Columbia subject headings:
Harvard subject headings:
Comparative law--Congresses
Germany--Relations--Italy--Congresses.
Italy--Relations--Germany--Congresses.
Law--Germany--History--19th century--Congresses.
Law--Germany--History--20th century--Congresses.
Law--Italy--German influences--Congresses.
Law--Italy--History--19th century--Congresses.
Law--Italy--History--20th century--Congresses.
Princeton subject headings:
Comparative law--Congresses.
Germany--Relations--Italy--Congresses.
Italy--Relations--Germany--Congresses.
Law--Germany--History--19th century--Congresses.
Law--Germany--History--20th century--Congresses.
Law--Italy--German influences--Congresses.
Law--Italy--History--19th century--Congresses.
Law--Italy--History--20th century--Congresses.