William Cowper (1856). “The task, Table talk, and other poems: With critical observations of various authors on his genius and character, and notes, critical and illustrative”, p.186
William Cowper (1855). “The Complete Poetical Works of William Cowper: With Life, and Critical Notice of His Writings. Eight Engravings on Steel”, p.78
William Cowper, Robert Southey (1854). “The Works: Comprising His Poems, Correspondence and Translations : in Eight Volumes. ¬The poetical works, Vol. 1”, p.119
William Cowper, James Thomson (1832). “The Works of Cowper and Thompson: Including Many Letters and Poems Never Before Published in this Country. With a New and Interesting Memoir of the Life of Thomson”, p.85