Poe, E. A. The Rationale of Verse, originally a magazine essay, 1848. In the various editions of his Works (ed. Ingram, 4 vols.; Edinburgh, 1875, vol. iii. pp. 219-265).
[Puttenham, George?] The Art of English Poesie (London, 1581). Reprinted by Arber (Birmingham, 1869), and in Gregory Smith.
Ruskin, John. Elements of English Prosody (Orpington, 1880).
Schipper, J. Englische Metrik (3 vols., Bonn, 1882-89). History of English Versification (Oxford, 1910).
Shenstone, William. Essays in Works (3 vols., London, 1764-69). The chief of the few, but very important, prosodic remarks will be found in Loci Critici.
Skeat, W. W. Section on Chaucer's Prosody in Works of Chaucer, vol. vi. (Oxford, 1894). Rehandled in paper on the Scansion of English Poetry (Philological Society's Transactions for 1895-98).
Southey, Robert. Preface of Vision of Judgment (London, 1820). A few important remarks (see text) in Letters and Correspondence.
Spedding, James. Review in Fraser's Magazine, 1861. Reprinted in Reviews and Discussions (London, 1879).
Spenser, Edmund. Correspondence with Gabriel Harvey. In full editions of Works, or in Gregory Smith.