| Europa League 1966/1967 - Appearances as Referee |  |
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| 25/10/1966 | B 1909 Odense | - | SSC Napoli | 1:4 | - | - | - |
| Europa League 1966/1967 - Appearances as Referee | |
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| 25/10/1966 | B 1909 Odense | - | SSC Napoli | 1:4 | - | - | - |
| Complete name: | John Adair Barker |
| Born: | 31/03/1919 |
| Place of birth: |
Northern Ireland |
| Residence: | Belfast |
| Nationality: |
Northern Ireland |