In 1828 the poem was revised and expanded into two parts; in 1830 it was elaborately
illustrated with engravings after paintings by J. M. W. Turner and Thomas Stothard.
John Whishaw to Thomas Smith, 5 February 1822 in The “Pope” of Holland House: Selections from the Correspondence of
John Whishaw and his Friends 1813-1840. (London: T. Fisher Unwin, 1906).