1. S. G. Checkland, ‘The Mind of the City, 1870–1914’, Oxford Economic Papers, 9, no. 3 (1957), 278.
2. H. Lowenfeld, Investment an Exact Science (London, 1909).
3. D. Porter, ‘“A Trusted Guide of the Investing Public”: Harry Marks and the Financial News, 1884–1916’, Business History, 28, no. 1 (1986), 1–6.
4. D. Mackenzie, ‘Canada, the North Atlantic Triangle and the Empire’, in Brown and W. R. Louis (eds) Oxford History of the British Empire, iv.576–7.
5. J. Darwin, After Tamerlane: The Global History of Empire since 1405 (London, 2007), pp.349–59.