Tracklist
| Reverbaration (Doubt) | |
| Fire Engine | 2:30 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| IA-111 | The Thirteenth Floor Elevators* | Reverbaration (Doubt) (7", Single) | International Artists | IA-111 | US | 1966 |
| IA-111 | The Thirteenth Floor Elevators* | Reverbaration (Doubt) (7", Single, Promo) | International Artists | IA-111 | US | 1966 |
