I wrote a post on this topic in October 2010. - Commerce and Finance in Railway Promotion - To Bristol and Southampton we go!
 Bonavia, Michael, R. The Organisation of British Railways, (Shepperton, 1971), p.10-11
 Casson, The world’s first railway system, p.284
 Pollins, Harold ‘The Finances of the Liverpool and Manchester Railway’, The Economic History Review, New Series D (1952), p.90