Tracklist
| The Progressive Era |
| America In World War I |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| KYSO 16 | Various | The Twentieth Century Begins (LP) | Chevron | KYSO 16 | US | 1971 |
| SOCAL 16 | Various | The Twentieth Century Begins (LP) | Chevron | SOCAL 16 | US | 1971 |
