J. H. CLAPHAM: An Economic History of Modern Britain. I. The Early Railway Age 1820—1850. Second Edition. (Cambridge 1930. 623 S.). II. Free Trade and Steel 1850—1886. (Cambridge 1932. 554 S.).

Marstrand, E. (1932). J. H. CLAPHAM: An Economic History of Modern Britain. I. The Early Railway Age 1820—1850. Second Edition. (Cambridge 1930. 623 S.). II. Free Trade and Steel 1850—1886. (Cambridge 1932. 554 S.). Nationaløkonomisk Tidsskrift, 40. Retrieved from https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/57485