 | Retrieved 19 December 2011. "Alida van den Bos vereerd met olympische onderscheiding William K. Guegold at IOC Congress - For research into Olympic Music"... 68 KB (2,235 words) - 01:11, 30 April 2024 |
| Retrieved 19 December 2011. "Alida van den Bos vereerd met olympische onderscheiding William K. Guegold at IOC Congress - For research into Olympic Music"... 68 KB (2,235 words) - 01:11, 30 April 2024 |