
The court. (TV: The War Games)
In one state of reality, some Time Lords wore stark black and white duty robes. (PROSE: The Infinity Doctors)
The Master wore black and white robes as a novice taken for initiation to the Untempered Schism. (TV: The Sound of Drums)
The three Time Lords who tried the Second Doctor wore black and white robes. (TV: The War Games)