"Over-all view of the development, structure and purpose of the professional organisation ; first association 1908-1923 — After 1935, "Press Union" of publishers and journalists — After 1946 professional association with above all a social purpose — Since 1950 there has also been a journalists union — Wage agreement." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 804, topic code 161.1)