| Not going to change |
USA Today |
17 Nov 2023 |
| Impossible to change |
USA Today |
26 Feb 2023 |
| Unchangeable |
USA Today |
11 Sep 2022 |
| Impossible to change, or like 17-, 20-, 39- and 56-Across? |
Universal |
17 May 2022 |
| Extremely hard to change |
USA Today |
25 Oct 2021 |
| Light metal and sulphur found in deposit and bones at the centre of Excalibur, presumably |
Irish Times Crosaire |
17 May 2021 |
| Unchangeable |
Universal |
07 May 2021 |
| Permanent |
LA Times Daily |
22 Aug 2020 |
| Permanent |
The Washington Post |
22 Aug 2020 |
| Excalibur perhaps was, and is not going to change |
The Telegraph Cryptic |
04 Mar 2020 |
| Well fixed |
Newsday |
28 Jul 2018 |
| Schedule this month, one no longer changeable |
The Telegraph Cryptic |
30 Jan 2018 |
| Fixed |
Newsday |
03 Oct 2015 |
| Fixed |
|
|
| Not subject to change |
|
|
| Not subject to change |
|
|
| Immutable |
|
|
| Fixed |
|
|