[17] J. C. Cox and A. Harvey, loc. cit.
[18] Murray, Handbook for Oxfordshire, 1894, pp. 195-6; A. H. Allcroft, Earthwork of England, 1908, p. 345 n.
[19] F. Seebohm, Eng. Vill. Community, 1896, p. 431 (map given).
[20] Seebohm, loc. cit.
[21] Vict. Hist. of Herts., 1908, II. p. 119.
[22] Seebohm, op. cit. p. 433.
[23] Ibid. p. 436. Cf. Murray, Handbook for Gloucestershire, 1895, p. 10.
[24] F. Bond, Eng. Cathedrals, p. 235. The Westminster discovery is recorded by Mr Bond in Westminster Abbey, 1909, p. 3.
[25] Collectanea Antiqua, 1861, v. p. 199.
[26] A. H. Allcroft, op. cit. p. 346 n. For other Sussex examples, see Vict. Hist. of Sussex, 1907, II. p. 333.