| Europa League 1964/1965 - Appearances as Referee |  |
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| 28/10/1964 | NK Zagreb | - | AS Roma | 1:1 | - | - | - |
| 03/06/1965 | Juventus | - | Atlético Madrid | 3:1 | - | - | - |
| Europa League 1964/1965 - Appearances as Referee | |
|
|
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| 28/10/1964 | NK Zagreb | - | AS Roma | 1:1 | - | - | - |
| 03/06/1965 | Juventus | - | Atlético Madrid | 3:1 | - | - | - |
| Complete name: | Joseph Heymann |
| Born: | |
| Place of birth: |
Switzerland |
| Residence: | Basel |
| Nationality: |
Switzerland |