William Cowper (1862). “Letters of William Cowper; being a selection from his correspondence: with a sketch of his life, and biographical notices of his correspondents. [With a portrait.]”, p.215
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.213
William Cowper, James Thomson (1850). “The works of Cowper and Thomson including many letters and poems never before published in this country: With a new memoir of the life of Thomson”, p.122
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.83
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.162
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.15
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.391
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.271