| Cup Winners Cup 1970/1971 - Appearances as Referee |  |
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| 04/11/1970 | FC Vorwärts Berlin | - | SL Benfica | 5:3 pso | - | - | - |
| Cup Winners Cup 1970/1971 - Appearances as Referee | |
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| 04/11/1970 | FC Vorwärts Berlin | - | SL Benfica | 5:3 pso | - | - | - |
| Complete name: | John Adair Barker |
| Born: | 31/03/1919 |
| Place of birth: |
Northern Ireland |
| Residence: | Belfast |
| Nationality: |
Northern Ireland |