Clowes, William Laird (1898). The Royal Navy: A History From the Earliest Times to the Present. Vol. III. London: Sampson Low, Marston & Company. pp. 215-216
available on microfilm Kohlmeier, Louis M.; Udell, Jon G. and Anderson, Laird B. (eds.) (1981) Reporting on Business and the Economy Prentice-Hall, Englewood
273. Clowes, W. Laird (1897). The royal navy : a history from the earliest times to the present. London: S. Low, Marston and company, limited Cust, Edward
http://news.bbc.co.uk/1/hi/scotland/6914788.stm 11 December 2008閲覧。 ^ “Cammell Laird wins £50m Royal Navy warship contract”. Liverpool Echo. (25 January 2010)