Columbia subject headings:
Harvard subject headings:
Europe, Eastern--History--Autonomy and independence movements--Congresses.
Europe, Eastern--Politics and government--1918-1945--Congresses.
Europe--Politics and government--20th century.
Legalization--Europe--History--20th century.
Legitimacy of governments--Europe--History--20th century.
Loyalty
Minorities--Europe, Eastern--History--20th century--Congresses.
Nation-building--Europe, Central--History--20th century.
Nation-building--Europe, Eastern--History--20th century.
Princeton subject headings:
Europe, Eastern--History--Autonomy and independence movements--Congresses.
Europe, Eastern--Politics and government--1918-1945--Congresses.
Minorities--Europe, Eastern--History--20th century--Congresses.