All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 May 2021 | Sanctus: weight, cast year amended | Bucks BB, Matthew Smith (p202) |
| 1 Jun 2019 | 1,3: canons added; 1-3: turning added; frame info added | John Baldwin via database |
| Sct: note added | John Baldwin via database | |
| 11 Mar 2008 | Tenor note not Ab; nominal: Bb-40c | Tim Jackson/Nick Bowden via pNBR |