The International Federation of League of Nations Societies was founded in 1919 and its activity seems to have ceased in 1940.
Bearing in mind that the secretariat was situated first in Bordeaux, then in Brussels, then in Brussels and Geneva, and finally in Geneva alone, it is not surprising that the group has many gaps.
International Institute of Intellectual Cooperation, established with the aid of the French government and located in Paris, 1925-1946. It was to provide a permanent secretariat for the League of Nations International Committee on Intellectual Cooperation which aimed to promote international cultural/intellectual exchange between scientists, researchers, teachers, artists and other intellectuals. The Committee was composed of 12 eminent persons (later 19).