| Europa League 1974/1975 - Appearances as Referee |  |
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| 18/09/1974 | Hamburger SV | - | Bohemian FC | 3:0 | 3 | - | - |
| 19/03/1975 | FC Amsterdam | - | 1. FC Köln | 2:3 | 3 | - | - |
| Europa League 1974/1975 - Appearances as Referee | |
|
|
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| 18/09/1974 | Hamburger SV | - | Bohemian FC | 3:0 | 3 | - | - |
| 19/03/1975 | FC Amsterdam | - | 1. FC Köln | 2:3 | 3 | - | - |
| Complete name: | John Clive Thomas |
| Born: | 22/06/1936 |
| Place of birth: |
Wales |
| Residence: | Treorchy |
| Nationality: |
Wales |