1. Srividhya Swaminathan, Debating the Slave Trade: Rhetoric of British National Identity, 1759–1815 (Surrey: Ashgate Publishing Limited, 2009), Ch. 5.
2. Brycchan Carey, British Abolitionism and the Rhetoric of Sensibility: Writing, Sentiment and Slavery, 1760–1807 (Basingstoke: Macmillan Publishers Ltd., 2005), 90–2.
3. Stephen Farrell, “‘Contrary to the Principles of Justice, Humanity and Sound Policy’: The Slave Trade, Parliamentary Politics and the Abolition Act, 1807”, in The British Slave Trade: Abolition, Parliament and People, ed. Stephen Farrell, Melanie Unwin, and James Walvin (Edinburgh: University of Edinburgh Press, 2007), 145.
4. Sheffield was the author of Observations on the Project for Abolishing the Slave Trade (London: J. Debrett, 1790) that was published in at least two editions.
5. Seymour Drescher, “Whose Abolition? Popular Pressure and the Ending of the British Slave Trade,” Past & Present, 143 (1994), 165.