| Champions League 1967/1968 - Appearances as Referee |  |
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| 16/11/1967 | SL Benfica | - | AS Saint-Étienne | 2:0 | - | - | - |
| Champions League 1967/1968 - Appearances as Referee | |
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| 16/11/1967 | SL Benfica | - | AS Saint-Étienne | 2:0 | - | - | - |
| Complete name: | John Adair Barker |
| Born: | 31/03/1919 |
| Place of birth: |
Northern Ireland |
| Residence: | Belfast |
| Nationality: |
Northern Ireland |