[12] Vinogradoff, English Society in the Eleventh Century, p. 264.

[13] Maitland, op. cit. p. 17.

[14] Vinogradoff, English Society in the Eleventh Century, p. 265.

[15] Maitland, op. cit. pp. 318 et seq.

[16] Vinogradoff, English Society in the Eleventh Century, p. 345.

[17] Vinogradoff, English Society in the Eleventh Century, p. 339.

[18] Maitland, Domesday Book, p. 110

[19] Vinogradoff, op. cit. p. 395.

[20] Vinogradoff, Villeinage in England, pp. 225 et seq.

[21] Maitland, op. cit. p. 23.