| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 1 | Operation: Annihilate! | |
| 2 | SNW | 1 | Children of the Comet |
| Series : | TOS Season 1 |
| Episode : | Operation: Annihilate! |
| Series : | SNW Season 1 |
| Episode : | Children of the Comet |
| © Graham & Ian Kennedy | Page views : 8,476 | Last updated : 15 Jan 2006 |
