User:SOTO/Forum Archive/The Panopticon/@comment-188432-20121207092215/@comment-1432718-20130104152531
From Tardis Wiki, the free Doctor Who reference
The index file was mentioned in Castrovalva and played an important part in resolving the mystery of the place Castrovalva (I posted a series of quotes from the story above). So it is part of the DWU.
