| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Massachusetts / Barker Of The U.F.O. (7", Single, Mono) | Polydor | 59 118 | Germany | 1967 | |
| (The Lights Went Out In) Massachusetts / Barker Of The U.F.O. (7", Single, Mono) | Spin, Festival Records | 56192, EK 1958 | New Zealand | 1967 | |
| (The Lights Went Out In) Massachusetts / Barker Of The U.F.O. (7", Single, Mono) | Spin, Festival Records | 56192, EK 1958 | Australia | 1967 | |
| Massachusetts (The Lights Went Out In) (7") | Polydor | 56 192 | UK | 1967 | |
| Massachusetts / Barker Of The U.F.O. (7", Single) | Polydor | 59 118 | Scandinavia | 1967 | |
| Massachusetts (7") | Polydor | 421 156 | France | 1967 |