"British Economic Growth, 1300-1850: Some Preliminary Estimates" (with Bruce Campbell, Alexander Klein, Mark Overton and Bas van Leeuwen). (pdf file) (This version 14 December 2009).
"British Economic Growth and the Business Cycle, 1700-1850: Annual estimates" (with Bas van Leeuwen). (pdf file) (This version 25 November 2008).
"English Agricultural Output 1250-1450: Some Preliminary Estimates", (with Bruce Campbell and Bas van Leeuwen). (pdf file) (This version 27 November 2008).
"English Agricultural Output and Labour Productivity, 1250-1850: Some Preliminary Estimates", (with Alexander Apostolides, Bruce Campbell, Mark Overton and Bas van Leeuwen). (pdf file) (This version 26 November 2008).
"English Gross Domestic Product, 1300-1700: Some Preliminary Estimates", (with Alexander Apostolides, Bruce Campbell, Mark Overton and Bas van Leeuwen). (pdf file) (This version 26 November 2008).
"Commercialisation, Factor Prices and Technological Progress in the Transition to Modern Economic Growth", (with Sayantan Ghosal and Eugenio Proto). (pdf file) (This version 20 April 2009).
"Indian GDP Before 1870: Some Preliminary Estimates and a Comparison with Britain", (with Bishnupriya Gupta). (pdf file) (This version 18 October 2009).