International Language (Russian: Международный язык), commonly referred to as Unua Libro (First Book), is an 1887 book by Polish ophthalmologist L. L. Zamenhof...

L. L. Zamenhof developed Esperanto in the 1870s and '80s. Unua Libro, the first print discussion of the language, appeared in 1887. The number of Esperanto...

described the language in Dr. Esperanto's International Language (Esperanto: Unua Libro), which he published under the pseudonym Doktoro Esperanto. Early adopters...

evolution of L. L. Zamenhof's language project, prior to the publication of Unua Libro in 1887. The precursors to the Esperanto alphabet can be found in Zamenhof's...

celebrate Zamenhofa Tago (Zamenhof Day in Esperanto). Unua Libro, 1887 (First Book) Dua Libro, 1888 (Second Book) Hilelismo – propono pri solvo de la...

Zamenhof's earlier works, primarily Unua Libro. Esperanto, however, underwent a minor change in 1888 in Aldono al la Dua Libro, in which Zamenhof changed the...

Esperanto in the late 19th century and published the first book detailing it, Unua Libro, in 1887 under the pseudonym Dr. Esperanto, Esperanto translating as "one...

published the Unua Libro. December 15 previously used to be also known as Esperanto Day, but that is now celebrated on 26 July, the day Unua Libro was published...

may refer to: Esperanto, whose original name was international language Unua Libro or Dr. Esperanto's International Language, the first book detailing Esperanto...

of the international language Esperanto, with the publication of the Unua Libro on 26 July 1887 marking the beginning of its wider usage. Like all other...