Unuiĝo Franca por Esperanto
Biblioteko Hippolyte Sebert
Esperanto Biblioteko Hippolyte Sebert | |
| № S0973 | Dewey : 499.992 824 21 – BUT |
| aŭtoro | Butler, Montagu C. |
| titolo | Step by step in Esperanto. |
| mencio | A combined textbook and reader. Graded instruction, illustrative reading-matter, numerous exercices. |
| lingvo | en |
| eldono | London, The British Esperanto Association (incorporated). Third edition revised and enlarged. |
| jaro | 1929 |
| formato | 240 p. / / |
http://arkivo.esperanto-france.org/ |