William Cowper (1849). “The Complete Poetical Works of William Cowper, Esq., Including the Copyright Poems, with a Life of the Author, from the Edition of Robert Southey”, p.222
William Cowper, Robert Southey (1854). “The Works: Comprising His Poems, Correspondence and Translations : in Eight Volumes. ¬The poetical works, Vol. 1”, p.41
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.713
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