| Youth Championship 1978 - Appearances as Referee |  |
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 |
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| 16/07/1978 | MSV Duisburg | - | Hertha Zehlendorf | 5:2 | - | - | - |
| Youth Championship 1978 - Appearances as Referee | |
|
|
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| 16/07/1978 | MSV Duisburg | - | Hertha Zehlendorf | 5:2 | - | - | - |
| Complete name: | Walter Horstmann |
| Born: | 28/08/1935 † 21/08/2015 |
| Place of birth: |
Hildesheim, 
Germany |
| Residence: | Groß Escherde |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 144 |