Vols. for 1956-<1988> include a separately paged section: Directory of organizations, associations and institutions.
Fourth-6th ed. published: Ottobrunn, nr. Munich : Who's Who--Book & Pub., 1972-1976; 7th ed. published: Wörthsee bei München : Who's Who--Book & Pub., 1980; 1982/1983- published: Wörthsee near Munich : Who's Who the International Red Series Verlag, 1983- ; 1988-1996 published: Essen : Who's Who the international Red Book Series Verlag, 1988-1996.