Ugglebarnby, W. d. B., Sneaton, R. d. P., & Allaston. (1780). A true account of the murder of the monk of Whitby, by Lord William de Bruce, of Ugglebarnby, Lord Ralph de Piercy of Sneaton, and Allaston, a freeholder;: With the monk's pennance [sic] laid upon them, to be performed on Ascension-eve every year, otherwise to forfeit their lands to the abbot of Whitby. [Whitby?: s.n..

Ugglebarnby, William de Bruce, Ralph de Piercy Sneaton, and Allaston. A True Account of the Murder of the Monk of Whitby, By Lord William De Bruce, of Ugglebarnby, Lord Ralph De Piercy of Sneaton, and Allaston, a Freeholder;: With the Monk's Pennance [sic] Laid Upon Them, to Be Performed On Ascension-eve Every Year, Otherwise to Forfeit Their Lands to the Abbot of Whitby. [Whitby?: s.n., 1780.

Ugglebarnby, William de Bruce, Ralph de Piercy Sneaton, and Allaston. A True Account of the Murder of the Monk of Whitby, By Lord William De Bruce, of Ugglebarnby, Lord Ralph De Piercy of Sneaton, and Allaston, a Freeholder;: With the Monk's Pennance [sic] Laid Upon Them, to Be Performed On Ascension-eve Every Year, Otherwise to Forfeit Their Lands to the Abbot of Whitby. [Whitby?: s.n., 1780.