| Friendlies 1920 - Appearances as Referee |  |
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 |
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| 26/09/1920 | Sweden | - | Norway | 0:0 | - | - | - |
| 10/10/1920 | Sweden | - | Denmark | 0:2 | - | - | - |
| Friendlies 1920 - Appearances as Referee | |
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|
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| 26/09/1920 | Sweden | - | Norway | 0:0 | - | - | - |
| 10/10/1920 | Sweden | - | Denmark | 0:2 | - | - | - |
| Complete name: | Wolf Boas |
| Born: | † |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |