Arrangements and Transcriptions
For Mixed Chorus (Pancorbo)
||Ménil, Félicien de
|Year/Date of CompositionY/D of Comp.
||Ludwik Zamenhof (1859–1917)
|Composer Time PeriodComp. Period
The published version is © 1923, according to WorldCat. (Well, it's unclear. Some libraries have 1923, some have s.l./s.d., one has "London: British Esperanto Association, c.a.1928/1930", ...)
Also sometimes described as an Esperanto "national" anthem (of sorts), I see. - Schissel