Internacia Esperanto-Ligo

The Internacia Esperanto-Ligo (or International Esperanto League) was for 11 years the largest and most important neutral Esperanto federation, reuniting in 1947 with the World Esperanto Association, (Universala Esperanto-Asocio) from which it had broken away in 1936.

Read more about Internacia Esperanto-Ligo:  Helsinki System, Cologne Agreement, Esperanto's Schism, Return To Ideals, Further Reading