| Friendlies 1907 - Appearances as Referee |  |
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| 15/08/1907 | Argentina | - | Uruguay | 2:1 | - | - | - |
| Friendlies 1907 - Appearances as Referee | |
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| 15/08/1907 | Argentina | - | Uruguay | 2:1 | - | - | - |
| Complete name: | Guillermo E. Leslie |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |