Columbia subject headings:
Audio-visual materials--Censorship--Arab countries--Congresses.
Audio-visual materials--Censorship--Lebanon--Congresses.
Freedom of information--Congresses.
Freedom of speech--Congresses.
Harvard subject headings:
Freedom of information--Congresses
Freedom of information--Lebanon--Congresses.
Freedom of speech--Congresses.
Freedom of speech--Lebanon--Congresses.
Princeton subject headings: