References
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- Bertin, L. E., 1906, Marine Boilers—Their Construction and Working, Dealing More Especially With Tubulous Boilers. New York.
- Capacity particulars for yard no. 450, ‘Biddlestone’, 1937, Short Brothers Ltd, shipbuilders, Sunderland, Collection 1861–1957, Operational Section 1870–1958, Capacity particulars series 1924–1946. Available at the Tyne & Wear Archives & Museums, archive number DS.SH/4/19/36.
- Copy of Certificate of British Registry, 26 May 1902, Port of Hull, Archives of Ellerman's Wilson Line, First Deposit, Vessels, in Ships' Registry Book No 2: Plans, 53. Available at the Hull History Centre, archive number DEW/10/2.
- Copy of Certificate of British Registry, 25 November 1909, Port of Hull, Archives of Ellerman's Wilson Line, First Deposit, Vessels, in Ships' Registry Book No 3: Plans, 10. Available at the Hull History Centre, archive number DEW/10/3.
- Convoy OG 80, February–March 1942, Admiralty: Naval Staff: Operations Division: Convoy Records, Second World War. Western Approaches Convoy packs. OG 80. Available at The National Archives, Kew, archive number ADM 237/562.
- J. P. Delgado (ed.), 2013, Identification of the Wreck of the U.S.C.S.S. Robert J. Walker off Atlantic City, New Jersey: Preliminary Archaeological Report. NOAA, Maryland.
- Mccarthy, M., 2002, Iron and Steamship Archaeology—Success and Failure on the SS Xantho. The Plenum Series in Underwater Archaeology, London.
- Movement Cards, 21 May 1939–9 March 1942, Records of the Board of Trade and of successor and related bodies. Registry of Shipping and Seamen: War of 1939–1945; Merchant Shipping Movement Cards. British Ship Name: Dago. Gross Tonnage: 1757. Available in The National Archives, archive number BT 389/9/25.
- Powles, H., 1905, Steam Boilers—Their History and Development. London, Philadelphia.
- Russo, J., 2013, The Stroke Project. NAS Newsletter Winter 2013, 4. http://www.academia.edu/2398403/The_Stroke_Project, accessed 7 August 2013.
- Souza, D. J., 1998, The Persistence of Sail in the Age of Steam. College Station, TX.
- Survivors' Report: Merchant Vessels, 7 April 1942, Records of the Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies, Admiralty Survivors' Report: Merchant Vessels. Available at The National Archives, Kew, archive number ADM 199/2140.
- SS Dago General Arrangements Plan, no date, Caledon Shipbuilding & Co. Available at Dundee City Archives, archive number GB251/RHP60072/112.