Columbia subject headings:
Civil rights movements--Bulgaria--History--Congresses.
Civil rights movements--Yugoslavia--History--Congresses.
Communism--Yugoslavia--Historiography--Congresses.
Dissenters--Yugoslavia--Congresses.
Dissenters--Yugoslavia--History--Congresses.
Human rights--Yugoslavia--Congresses.
Journalism--Political aspects--Yugoslavia--History--Congresses.
Harvard subject headings:
Civil rights movements--Bulgaria--History--Congresses.
Civil rights movements--Yugoslavia--History--Congresses.
Communism--Yugoslavia--Historioraphy--Congresses.
Dissenters--Yugoslavia--History--Congresses.
Journalism--Political aspects--Yugoslavia--History--Congresses.
Princeton subject headings:
Civil rights movements--Bulgaria--History--Congresses.
Civil rights movements--Yugoslavia--History--Congresses.
Communism--Yugoslavia--Historioraphy--Congresses.
Dissenters--Yugoslavia--History--Congresses.
Journalism--Political aspects--Yugoslavia--History--Congresses.