| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TNG | 3 | The Enemy | |
| 2 | DS9 | 5 | Doctor Bashir, I Presume? | |
| 3 | TNG | 4 | Data's Day |
| Series : | TNG Season 3 |
| Episode : | The Enemy |
| Series : | DS9 Season 5 |
| Episode : | Doctor Bashir, I Presume? |
| Series : | TNG Season 4 |
| Episode : | Data's Day |
| © Graham & Ian Kennedy | Page views : 24,112 | Last updated : 2 Apr 2014 |
