Columbia subject headings:
Law and socialism--Congresses.
Law--Europe, Eastern--Congresses.
Law--Soviet Union--Congresses.
Harvard subject headings:
Law and socialism--Congresses.
Law--Europe, Eastern--Congresses.
Law--Soviet Union--Congresses
Princeton subject headings:
Law and socialism--Congresses.
Law--Europe, Eastern--Congresses.
Law--Soviet Union--Congresses.