Tracklist Hide Credits
| A | OneWritten-By – Nilsson* |
2:47 |
| B | Chest FeverWritten-By – Robertson* |
4:47 |
Companies, etc.
- Licensed From – Dunhill
- Copyright (c) – Keep a/c
- Record Company – EMI
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 45-4191 | Three Dog Night | One / Chest Fever (7") | ABC/Dunhill Records | 45-4191 | US | 1969 |
| 45-4191 | Three Dog Night | One (7", Mono) | ABC/Dunhill Records | 45-4191 | US | 1969 |
| SS 8020 | Three Dog Night | One (7", Single, Sol) | Stateside | SS 8020 | UK | 1969 |
| 2C006 90252 | Three Dog Night | One / Chest Fever (7", Single) | Stateside | 2C006 90252 | France | 1969 |
| ST-5005 | Three Dog Night | One / Resfrio (Chest Fever) (7", Single) | Stateside | ST-5005 | Nicaragua | 1969 |

