[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.