Esperantic Studies Foundation
[be] Esperantic Studies Foundation
[be-x-old] Фундацыя вывучэньня эспэранта
[eo] Fondumo por Esperantologiaj Studoj
[fa] بنیاد مطالعات اسپرانتو
[fr] Esperantic Studies Foundation
[nl] Esperantic Studies Foundation
[ru] Esperantic Studies Foundation
[uk] Esperantic Studies Foundation