The Stones of Blood (in-universe)

The Stones of Blood was a Doctor Who story written by David Fisher which involved a stone circle. It was one of Paul Magrs's favourites. (PROSE: The Stones of Spookiness)

River Song's diary contained a photograph of the Ogri with the note The Stones of Blood. (WC: )

Important note
This is a in-universe counterpart of the real world Doctor Who television serial The Stones of Blood that exists within the Doctor's universe. It was mentioned in the short story The Stones of Spookiness, which featured Paul Magrs's fictional counterpart visiting the Rollright Stones, where The Stones of Blood was filmed in the real world.