1. British Library, India Office Records, East India Company general correspondence (BL, IOR, E).
2. Library of the Royal College of Physicians, Edinburgh, Sir John Pringle collection (PRJ).
3. The National Archives, Kew, Admiralty papers (TNA, ADM).
4. Beddoes, Thomas.Observations on the nature and cure of calculus, sea scurvy, consumption, catarrh, and fever.Philadelphia: T. Dobson, 1797.
5. Blane, Gilbert.Observations on the diseases incident to seamen.London: John Murray, 1785.