https://www.themarysue.com/tag/captain-jack-harkness/
Captain Jack Harkness | The Mary Sue
captain jack harknessmarysue
https://harkstiel.neocities.org/
facti sunt inextinguibiles in aeternum - a Castiel/Captain Jack Harkness Shrine
A manifesto for the immortal crossover ship you didn't know existed until today, including links to fanworks, community, and more.
captain jack harknesssunt