The pamphlet file in school, college, and public libraries.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Boston
F. W. Faxon Co.
1954.
|
| Edizioa: | Rev. and enl. ed. |
| Saila: | Useful reference series
no. 84 |
| Gaiak: |