Kontributaji a la studio di la historio di nia linguo
By: da Henry Jacob.
Published: 1987
Place of publication: [S.l.] : Editerio Progreso, Uniono por la Linguo Internaciona (Ido)
Language: art
Number of pages: 24
Subjects: Ido -- History.; Language, Universal -- History.
Notes: Cover title.