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 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.