The Great Plains Region
| Autor: | Leverton, Ruth M. |
|---|---|
| Zdroj: | The Annals of the American Academy of Political and Social Science, 1943 Jan 01. 225, 47-49. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Leverton, Ruth M. |
|---|---|
| Zdroj: | The Annals of the American Academy of Political and Social Science, 1943 Jan 01. 225, 47-49. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|