- Bolingbroke, Roger, trial and execution, [270-278].
- Bonville, Sir William, [314].
- Books, given by Gloucester to Oxford, [403] and [note 1337], [404], [407] and [note 1352], [412], [413].
- Bostock, John. See [Wheathampsted].
- Bourbon, Duke of, [9].
- Bouteiller, Guy le, [72].
- Boutillier, Ralph de, [139].