William Wilberforce (1871). “A practical view of the prevailing religious system of professed Christians, in the higher and middle classes in this country, contrasted with real Christianity. Complete ed”, p.2
William Wilberforce (1834). “A practical view of the prevailing religious system of professed Christians, in the higher and middle classes in this country; contrasted with real Christianity. With a memoir, by T. Price”
William Wilberforce (1797). “A Practical View of the Prevailing Religious System of Professed Christians: In the Higher and Middle Classes in this Country, Contrasted with Real Christianity”, p.424