Columbia subject headings:
Law reform--Europe, Eastern--History--20th century--Congresses.
Law--Europe, Eastern--Codification--History--Congresses.
Law--Europe, Eastern--History--20th century--Congresses.
Harvard subject headings:
Law reform--Balkan Peninsula--History--20th century--Congresses.
Law reform--Europe, Eastern--History--20th century--Congresses.
Law--Balkan Peninsula--Foreign influences--Congresses.
Law--Balkan Peninsula--History--20th century--Congresses.
Law--Europe, Eastern--Foreign influences--Congresses.
Law--Europe, Eastern--History--20th century--Congresses.
Princeton subject headings:
Law reform--Europe, Eastern--History--20th century--Congresses.
Law--Europe, Eastern--Codification--History--Congresses.
Law--Europe, Eastern--History--20th century--Congresses.