T.A. Bushell 'Royal Mail - A Centenary History of the Royal Mail line 1839-1939'; Wilton J. Oldham 'The Ismay Line' 1961; Roy Anderson 'White Star', 1964; George Chandler 'Liverpool Shipping', 1960; Moss and Hume 'Shipbuilders to the World - 125 Years of Harland and Wolff 1861-1986; and others of similar interest, and brochures