William Cowper, Robert Southey, William Harvey (1835). “The Works of William Cowper: Comprising His Poems, Correspondence, and Translations. With a Life of the Author”, p.15
William Cowper (1851). “The Works of William Cowper: His Life, Letters, and Poems. Now First Completed by the Introduction of Cowper's Private Correspondence”, p.510
William Cowper, John William Cunningham, William Hayley (1835). “The Life and Works of William Cowper: His life and letters by William Hayley. Now first completed by the introduction of Cowper's private correspondence”, p.172
William Cowper (1855). “The Complete Poetical Works of William Cowper: With Life, and Critical Notice of His Writings. Eight Engravings on Steel”, p.14
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.73
William Cowper (1855). “The Works of William Cowper: His Life, Letters, and Poems : Now First Completed by the Introduction of Cowper's Private Correspondence”, p.594
William Cowper (1830). “Poems ... With a sketch of his life and a vindication of his religious principles and character. Third edition, corrected and enlarged. [With a portrait.]”, p.145