- 00:28, 8 August 2008 diff hist -16,589 AY Honor Whistles Answer Key
- 00:27, 8 August 2008 diff hist -16,603 AY Honor Whistles Answer Key
- 00:26, 8 August 2008 diff hist -16,487 AY Honor Whistles Answer Key Added footnote.
- 00:24, 8 August 2008 diff hist -16,597 AY Honor Whistles Answer Key
- 00:18, 8 August 2008 diff hist -16,598 AY Honor Whistles Answer Key
- 00:17, 8 August 2008 diff hist -16,615 AY Honor Whistles Answer Key Added information by whistle author Martyn Gilchrist that shows police whistles were manufactured earlier by many other companies, not just Hudsons as per original entry.
