Oliver Twist
From Tardis Wiki, the free Doctor Who reference
Oliver Twist was a novel by Charles Dickens which the Ninth Doctor spoke of on Christmas Eve 1869. (TV: The Unquiet Dead)
The Eighth Doctor mentioned that his companion Charlotte Pollard had helped him find a first edition of the book in Charing Cross Road. (AUDIO: The Chimes of Midnight)
Behind the scenes
When Wolsey gains sentience in AUDIO: Oh No It Isn't!, he begins to sing "I'd Do Anything" from the musical adaptation of Oliver Twist. Benny stops him singing before he gets too far in.