| By | Bayliss, William. |
|---|---|
| Languages | Esperanto |
| Physical Description | 1 folder (1 pamphlet) |
| Subjects | Stamp collecting. | Pamphlets. |
| Notes | The collection is open for research use. This series contains one printed pamphlet, “Kio? Kial? Kiel”, published by La Internacia Asocio de Poŝtmark-Kolektantoj, on the subject of collecting stamps. |