I stole a considerable number
of books from the Citadel library,
Game of Thrones Season 8, Episode 2
A raven arrived from the CITADEL
this morning, Your Grace.
Game of Thrones Season 2, Episode 1
You are a maester of the Citadel,
Game of Thrones Season 2, Episode 6
the Citadel to give him back his chain.
Game of Thrones Season 3, Episode 7
that had him expelled
from the Citadel, Your Grace.
Game of Thrones Season 4, Episode 10