by H.M. Le Fleming
Ian Allan, 1955.
we also have the editions for 1956, 1957 available
by Frank C. Bowen
Sampson Low, .
a good concise history of the development of the Atlantic shipping route.
Spratt, H.P.London, HMSO, 1950
Ian Allan, 1958.
Ian Allan, 1960.
Wardle, MaryWhittles Publishing, 2002
London, HMSO, 1894
Taphouse, LenPentland Press, 1995
Alderton, Patrick M.Thomas Reed, 1973