Percy Bysshe Shelley, Donald H. Reiman, Michael O'Neill (1985). “Fair-copy Manuscripts of Shelley's Poems in European and American Libraries: Including Percy Bysshe Shelley's Holographs and Copies in the Hand of Mary W. Shelley, Located in the United States, England, Scotland, Ireland, and Switzerland, as Well as the Holograph Draft of Keats's Robin Hood”, p.219, Taylor & Francis
Benjamin Whichcote (1753). “Moral and religious aphorisms collected from the manuscript papers of the reverend and learned Doctor Whichcote; and published in 1703, by Dr. Jeffery. Now re-published, with very large additions, ... by Samuel Salter, ... To which are added, Eight letter”, p.74