1. Richard Cantillon, Essai sur la nature du commerce en général (London, 1755), p. 110.
2. Quoted in E. A. Wrigley, ‘Growth of population in eighteenth-century England: A conundrum resolved’, Past and Present, 98 (1983), pp. 121–50, p. 127.
3. E. A. Wrigley and R. S. Schofield, Population History of England, 1541–1871: A Reconstruction (Cambridge, 1981), table 7.15, pp. 230,234–45;
4. E. A. Wrigley, R. S. Smith, J. E. Oeppen and R. S. Schofield, English Population History from Family Reconstitution, 1580–1837 (Cambridge, 1997), table A9. 1, pp. 614–15.
5. See E. A. Wrigley, ‘British population during the long eighteenth century’, in Roderick Floud and Paul Johnson, eds., The Cambridge Economic History of Modern Britain: Industrialisation,1700–1860 (Cambridge, 2004 ), pp. 60–2.