http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
narrative of the expedition sent by Her Majesty's government to the river Niger, in 1841. Under the command of Captain H. D. Trotter, R.N
Thomson, T. R. H. (Thomas Richard Heywood)
By Captain William Allen and T. R. H. Thomson. Pub. with the sanction of the Colonial office and the Admiralty. London, R. Bentley, 1848.