| Europa League 1969/1970 - Appearances as Referee |  |
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 |
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| 09/09/1969 | Arsenal FC | - | Glentoran FC | 3:0 | - | - | - |
| 20/11/1969 | Coleraine FC | - | RSC Anderlecht | 3:7 | - | - | - |
| Europa League 1969/1970 - Appearances as Referee | |
|
|
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| 09/09/1969 | Arsenal FC | - | Glentoran FC | 3:0 | - | - | - |
| 20/11/1969 | Coleraine FC | - | RSC Anderlecht | 3:7 | - | - | - |
| Complete name: | John Clive Thomas |
| Born: | 22/06/1936 |
| Place of birth: |
Wales |
| Residence: | Treorchy |
| Nationality: |
Wales |