| Europa League 1982/1983 - Appearances as Referee |  |
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| 29/09/1982 | Werder Bremen | - | FC Vorwärts Frankfurt/Oder | 0:2 | - | - | - |
| 20/10/1982 | RSC Anderlecht | - | FC Porto | 4:0 | - | - | - |
| Europa League 1982/1983 - Appearances as Referee | |
|
|
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| 29/09/1982 | Werder Bremen | - | FC Vorwärts Frankfurt/Oder | 0:2 | - | - | - |
| 20/10/1982 | RSC Anderlecht | - | FC Porto | 4:0 | - | - | - |
| Complete name: | John Clive Thomas |
| Born: | 22/06/1936 |
| Place of birth: |
Wales |
| Residence: | Treorchy |
| Nationality: |
Wales |