Ministry of Oops ('Deathly Hallows' Chapter 13, The Muggle-Born Registration Commission)
Polyjuice and Panic (Deathly Hallows Chapter 12, 'Magic is Might')
Chapter 13: Gryffindor Versus Ravenclaw | Prisoner of Azkaban
Through the Griffin DoorChapter 12: The Patronus | Prisoner of Azkaban
Through the Griffin DoorChapter 6: Talons and Tea Leaves | Prisoner of Azkaban
Through the Griffin Door