| WC Qualifiers Europe 1968/1969 - Appearances as Referee |  |
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| 26/03/1969 | Netherlands | - | Luxembourg | 4:0 | - | - | - |
| 16/11/1969 | Romania | - | Greece | 1:1 | - | - | - |
| WC Qualifiers Europe 1968/1969 - Appearances as Referee | |
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| 26/03/1969 | Netherlands | - | Luxembourg | 4:0 | - | - | - |
| 16/11/1969 | Romania | - | Greece | 1:1 | - | - | - |
| Complete name: | John Adair Barker |
| Born: | 31/03/1919 |
| Place of birth: |
Northern Ireland |
| Residence: | Belfast |
| Nationality: |
Northern Ireland |