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William Cowper, Robert Southey (1854). “The Works: Comprising His Poems, Correspondence and Translations : in Eight Volumes. ¬The poetical works, Vol. 1”, p.41
Alexander Pope, William Roscoe (1847). “The works of Alexander Pope, esq., with notes and illustrations, by himself and others. To which are added, a new life of the author, an Estimate of his poetical character and writings, and occasional remarks by William Roscoe, esq”, p.164
John Milton (1752). “Paradise Regain'd. A Poem, in Four Books. To which is Added Samson Agonistes: and Poems Upon Several Occasions. The Author John Milton”, p.72