The Esperantist, Vol. 1, No. 4

De waarheid over Esperanto en Ido = La vérité sur l'Esperanto et l'Ido

Our Calendar The Julian calendar and its errors. How corrected by the Gregorian. Rules for finding the dominical letter, and the day of the week of any event from the days of Julius Caesar 46 B.C. to the year of our Lord four thousand; a new and easy met

International Language, Past, Present & Future With Specimens of Esperanto and Grammar