| List of interviewed | References in the text |
| Walloon MP (CDH) | Interview no. 1 |
| Walloon MP (CDH) | Interview no. 2 |
| Walloon MP (CDH) | Interview no. 3 |
| Walloon MP (ECOLO) | Interview no. 4 |
| Walloon MP (ECOLO) | Interview no. 5 |
| Walloon MP (MR) | Interview no. 6 |
| Walloon MP (MR) | Interview no. 7 |
| Walloon MP MR) | Interview no. 8 |
| Walloon MP (PS) | Interview no. 9 |
| Walloon MP (PS) | Interview no. 10 |
| Walloon MP (PS) | Interview no. 11 |
| Walloon MP (PTB) | Interview no. 12 |
| Federal MP (PTB) | Interview no. 13 |
| Member of the Magnette’s government | Interview no. 14 |
| Member of the Magnette’s government | Interview no. 15 |
| Walloon parliament civil servant | Interview no. 16 |