| WC Qualifiers Europe 1984/1985 - Appearances as Referee |  |
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| 11/09/1984 | Ireland | - | USSR | 1:0 | 1 | - | - |
| 29/04/1985 | Wales | - | Spain | 3:0 | 3 | - | - |
| 09/09/1985 | Wales | - | Scotland | 1:1 | 1 | - | - |
| 15/11/1985 | GDR | - | Bulgaria | 2:1 | - | - | - |
| WC Qualifiers Europe 1984/1985 - Appearances as Referee | |
|
|
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| 11/09/1984 | Ireland | - | USSR | 1:0 | 1 | - | - |
| 29/04/1985 | Wales | - | Spain | 3:0 | 3 | - | - |
| 09/09/1985 | Wales | - | Scotland | 1:1 | 1 | - | - |
| 15/11/1985 | GDR | - | Bulgaria | 2:1 | - | - | - |
| Complete name: | Johannes Nicolaus Ignacius Keizer |
| Born: | 06/10/1940 † 18/11/2024 |
| Place of birth: |
Volendam, 
Netherlands |
| Nationality: |
Netherlands |