| U21 Friendlies 2007 - Appearances as Referee |  |
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| 05/02/2007 | England | - | Spain | 2:2 | - | - | - |
| U21 Friendlies 2007 - Appearances as Referee | |
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| 05/02/2007 | England | - | Spain | 2:2 | - | - | - |
| Complete name: | William Collum |
| Born: | 18/01/1979 |
| Place of birth: |
Glasgow, 
Scotland |
| Residence: | Motherwell |
| Nationality: |
Scotland |
| Profession: | Lehrer |
| Height: | 174 cm |
| Weight: | 69 kg |