| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | SNW | 1 | The Serene Squall | |
| 2 | TOS | 2 | Amok Time |
| Series : | SNW Season 1 |
| Episode : | The Serene Squall |
| Series : | TOS Season 2 |
| Episode : | Amok Time |
| © Graham & Ian Kennedy | Page views : 5,495 | Last updated : 1 Mar 2004 |
