1.	The English Bowman or Tracts on Archery. By T. Roberts, London, 1801
2.	Archery: its Theory and Practice, 2nd edition, 1859.
3.	'Sagittas arcu mittentes portam turris iliceam, palmaris fere spissitudinis, transpenetrarunt.'
4.	Nat. His. Expt. 7c4, vol. ii. p. 564 of Bacon's works; ed. by Ellis and Spedding.