Samuel Taylor Coleridge, Henry Nelson Coleridge (1854). “The complete works of Samuel Taylor Coleridge: With an introductory essay upon his philosophical and theological opinions”, p.531
John Ruskin (1869). “Modern Painters: pt. 6. Of leaf beauty. pt. 7. Of cloud beauty. pt. 8-9. Of ideas of relation: Of invention formal. Of invention spiritual”, p.288
Samuel Rogers, Thomas Campbell, James Montgomery, Charles Lamb, Henry Kirke White (1839). “The poetical works of Rogers, Campbell, J. Montgomery, Lamb, and Kirke White”, p.13