Columbia subject headings:
Arab countries--Intellectual life.
Arab countries--Social conditions.
Freedom of speech--Arab countries.
Islamic Empire--Intellectual life.
Qurʼan--Criticism, interpretation, etc.
Harvard subject headings:
Human rights--Arab countries--History.
Islamic philosophy--Early works to 1800.
Philosophy, Arab--Early works to 1800.
Princeton subject headings:
Arab countries--Intellectual life.
Arab countries--Social conditions.
Freedom of speech--Arab countries.
Islamic Empire--Intellectual life.
Qurʼan--Criticism, interpretation, etc.