Christian Esperanto International AssociationUniversal Union of Esperantist Men of LettersEsperanto AcademyAcademia pro InterlinguaInternacia Societo Esperantista por la PaceUniversal Esperanto AssociationAssociation internationale des instituteurs espérantistesLigue théosophique espérantisteSkolta Esperanto-LigoInternacia LigoComité permanent des congrès d'espérantoInternational Esperantist Scientific AssociationAssociation for the Creation of a Bureau of International LanguageKosmos, International Alliance for CorrespondenceInternational Society of Esperanto Free-ThinkersWorld Esperantist Vegetarian AssociationUniversala Medicina Esperanto-AsocioInternational Catholic Esperantists UnionKosmoglott, Société de langue internationaleCosmopolitan Correspondence Club