| Clue | Source | Date |
|---|---|---|
| Record of what's done - or to be done (8) | ||
| Compilation of student exercises | Eugene Sheffer | 29 Dec 2023 |
| Collection of exercises for students | The Guardian Quick | 14 Feb 2023 |
| Compilation of student exercises | Eugene Sheffer | 06 Dec 2019 |
| The Communist Manifesto, for one, is read by the students | Irish Times Crosaire | 31 May 2016 |
| Operating manual | ||
| Student volume with exercises | ||
| Student volume with exercises |