J.Walvin, The Trader, the Owner, the Slave: Parallel Lives in the Age of Slavery (London, 2007), 5, 26–27, 51, 66–67, 94–95 (выдержки). Об особом кальвинизме Ньютона см.: B.Hindmarsh, John Newton and the English Evangelical Tradition between the Conversions of Wesley and Wilberforce (Oxford, 1996), 119–168.
