Percy Bysshe Shelley (1821). “Queen Mab, a philosophical poem, with notes. [reputed to have been given by the author to W. Francis. Wanting the title-leaf, dedication and part of the last leaf].”, p.173
John Milton, Henry John Todd (1852). “The Poetical Works of John Milton: With Notes of Various Authors; and with Some Account of the Life and Writings of Milton, Derived Principally from Original Documents in Her Majesty's State-paper Office”, p.72