| KNVB beker 1978/1979 - Appearances as Referee |  |
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| 20/08/1978 | TOP Oss | - | Willem II | 1:2 | - | - | - |
| 20/08/1978 | VV Rheden | - | VV Hoogeveen | 2:1 | - | - | - |
| 14/10/1978 | PSV Eindhoven | - | FC Dordrecht | 11:1 | - | - | - |
| KNVB beker 1978/1979 - Appearances as Referee | |
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| 20/08/1978 | TOP Oss | - | Willem II | 1:2 | - | - | - |
| 20/08/1978 | VV Rheden | - | VV Hoogeveen | 2:1 | - | - | - |
| 14/10/1978 | PSV Eindhoven | - | FC Dordrecht | 11:1 | - | - | - |
| Complete name: | Jo Klinkers |
| Born: | |
| Place of birth: |
Beek, 
Netherlands |
| Nationality: |
Netherlands |