Columbia subject headings:
Public institutions--Europe, Eastern--Congresses.
Public institutions--Europe--Congresses.
Social structure--Europe, Eastern--Congresses.
Social structure--Europe--Congresses.
Sociological jurisprudence--Congresses.
Harvard subject headings:
Public institutions--Europe, Eastern--Congresses.
Public institutions--Europe--Congresses.
Social structure--Europe, Eastern--Congresses.
Social structure--Europe--Congresses.
Sociological jurisprudence--Congresses.
Princeton subject headings:
Public institutions--Europe, Eastern--Congresses.
Public institutions--Europe--Congresses.
Social structure--Europe, Eastern--Congresses.
Social structure--Europe--Congresses.
Sociological jurisprudence--Congresses.