2. De Villis, c. 45.
3. Ibid. cc. 43, 49.
4. From 'The Casuistry of Roman Meals,' in The Collected Writings of Thomas De Quincey, ed. D. Masson (1897), VII, p. 13.
5. Aelfric's Colloquium in op. cit. p. 95.
6. The Monk of St Gall's Life in Early Lives of Charlemagne, pp. 87-8.