1. Agricola, 7, 4.
2. Rostovtseff Social and Economic History of the Roman Empire, 1926, p.328, has argued that the decline in question was probably confined to Greece and Italy, and adds that many cities in Africa and elsewhere increased steadily in size up to the fourth century at least. He does not apply this dictum to Britain, nor, I think, would it be true if so applied.
3. Leeds, Archaeology of the Anglo-Saxon Settlements , map on p.19.
4. Stein Geschichte des spätrömischen Reiches, 1928, vol. 1 p.3.