1 2 3 4 Joseph Priestley, A Historical Account of the Navigable Rivers, Canals, and Railways, of Great Britain, Longman, Rees Orme, Brown and Green, London, 1831 ↑ "(40) - Towns > Glasgow > 1787 - Reprint of Jones's directory; or, Useful pocket companion for the year 1787 - Scottish Directories - National Library of Scotland". ↑ Robertson, C. J. A. (1983). The Origins of the Scottish Railway System, 1722–1844. Edinburgh: John Donald. ↑ "Work Starts on £5.6 Million Canal Link".