Key to the part some history books for pre-college readers
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington
Service Center for Teachers of History
[c1959]
|
| Edizioa: | [2nd ed.]. |
| Saila: | Service Center for Teachers of History. Publication
no.1 |
| Gaiak: |