Ruskin 's references to Milton's Poetical Works are to Macrone's edition of 1835, illustrated with seven steel-engraved vignettes after Turner (see Piggott, Turner's Vignettes, pp.60-62, and Rawlinson 's catalogue entries 598-604). (See also Ruskin and Turner's illustrations to Rogers's Poems, and Ruskin, Turner, and engraving.)