| A | Chicago | 2:55 |
| B | Simple Man | 2:05 |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 10.017, 100 17, 45-2804 | Graham Nash | Chicago (7", Single) | Atlantic, Atlantic, Atlantic | 10.017, 100 17, 45-2804 | Germany | 1971 |
| 650 232 L, 10.017 | Graham Nash | Simple Man (7", Single) | Atlantic, Atlantic | 650 232 L, 10.017 | France | 1971 |
| 2091 096 | Graham Nash | Simple Man / Chicago (7", Single) | Atlantic | 2091 096 | Greece | 1971 |
| ATL.72 | Graham Nash | Chicago (7", Single) | Atlantic | ATL.72 | New Zealand | 1971 |
| 2091 099 | Graham Nash | Simple Man / Chicago (7") | Atlantic | 2091 099 | Netherlands | 1971 |