| Europa League 1968/1969 - Appearances as Referee |  |
 |
 |
||||
| 25/09/1968 | DWS Amsterdam | - | K. Beerschot VAV | 2:1 | - | - | - |
| 14/05/1969 | Rangers FC | - | Newcastle United | 0:0 | - | - | - |
| Europa League 1968/1969 - Appearances as Referee | |
|
|
||||
| 25/09/1968 | DWS Amsterdam | - | K. Beerschot VAV | 2:1 | - | - | - |
| 14/05/1969 | Rangers FC | - | Newcastle United | 0:0 | - | - | - |
| Complete name: | John Adair Barker |
| Born: | 31/03/1919 |
| Place of birth: |
Northern Ireland |
| Residence: | Belfast |
| Nationality: |
Northern Ireland |