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.664
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.124
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.83
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.677
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 (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.334
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