| Clue | Source | Date |
|---|---|---|
| Like a deaccessioned book, for short | New York Times | 16 Jan 2021 |
| From the collection of Nick Clegg, say? | The Telegraph Toughie | 07 Feb 2020 |
| From one's shelf for 'Humour': 'Back Around Ten' | The Telegraph Toughie | 04 Jul 2018 |
| Book inscription abbr. | ||
| Book-owner's notation: Abbr. | ||
| Abbreviation on a borrowed book. |