(LINGUISM) Report of the International Congress of the Ido language "Oficala Raporto dil Quaresma Internationa Kongreso por la Linguo Internaciona Ido", Luxembourg, 1925, 64 pages, Printed by SOLIMPA, photo of the congressmen in front of the town hall in frontispiece, 22 x 14,5 cm
Automatically translated by DeepL. The original version is the only legally valid version. To see the original version, switch to the French language.