| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TNG | 1 | The Battle | |
| 2 | TNG | 7 | Bloodlines |
| Series : | TNG Season 1 |
| Episode : | The Battle |
| Series : | TNG Season 7 |
| Episode : | Bloodlines |
| © Graham & Ian Kennedy | Page views : 13,841 | Last updated : 1 Mar 2004 |
