Twentieth century America the United States since the 1890's.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Chicago
Rand Macnally
[c1963].
|
| Saila: | Rand Macnally history series)
|
| Gaiak: |