In apparent reference to the Harry Potter book Harry Potter and the Philosopher's Stone, (PROSE: The Gallifrey Chronicles, TV: The End of the World) Harry Stoner and the Philosopher's Pot was the name of a marijuana café located on New Oxford Street, London in the early 21st century, on the site of the historic St. Giles-in-the-Field parish. It neighboured the clothing shop Fashion Paradox. (PROSE: The Book of the War)