1. Allen, R.C. 2001. The Great Divergence in European Wages and Prices from the Middle Ages to the First World War. Explorations in Economic History 38: 411.
2. ———. 2007. How Prosperous were the Romans? Evidence from Diocletian’s Price Edict (301 AD). Oxford: Department of Economics Discussion Papers.
3. ———. 2008. Real Wage Rates (Historical Trends). In The New Palgrave Dictionary of Economics, ed. S.N. Durlauf and L.E. Blume. Basingstoke: Palgrave Macmillan.
4. ———. Annual Series of Nominal Wages, Consumer Price Indices and Welfare Ratios. www.nuffield.oxford.ac.uk/users/allen
5. Allen, R.C., and J.L. Weisdorf. 2010. Was there an ‘Industrious Revolution’ Before the Industrial Revolution? An Empirical Exercise for England, c. 1300–1830. University of Copenhagen Department of Economics, Working Papers no, 10–14.