| Call number | Item |
| P | Language and literature (Go to start of category) |
| PR | Literature: English (non-American) (Go to start of category) |
| PR2937 .C5 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) William Shakespeare and Robert Greene: The Evidence (Oakland, CA: Tribune Pub. Co, 1912), by William Hall Chapman (multiple formats at archive.org) |
| PR2937 .S3 1848 | The Errors of Modern Infidelity, Illustrated and Refuted (Philadelphia: Grigg, Elliot and Co., 1848), by Samuel M. Smucker (multiple formats at Google) |
| PR2937 .S3 1853 | Historic Doubts Respecting Shakspeare, Illustrating Infidel Objections Against the Bible (new edition of "The Errors of Modern Infidelity"; 1853), by Samuel M. Smucker (multiple formats at Google) |
| PR2939 .L3 | Shakespeare, Bacon, and the Great Unknown, by Andrew Lang (Gutenberg text and illustrated HTML) |
| PR2939 .S7 | The Bacon-Shakspere Question Answered (second edition; London: Trubner and Co., 1889), by C. C. Stopes (page images at HathiTrust) |
| PR2943 .B2 | The Philosophy of the Plays of Shakspere Unfolded, by Delia Bacon, contrib. by Nathaniel Hawthorne (Gutenberg text) |
| PR2944 .B25 1915 | The Greatest of Literary Problems, the Authorship of the Shakespeare Works: An Exposition of All Points at Issue, From Their Inception to the Present Moment (Boston and New York: Houghton, Mifflin Co., 1915), by James Phinney Baxter |
| PR2944 .B25 1917 | The Greatest of Literary Problems, the Authorship of the Shakespeare Works: An Exposition of All Points at Issue, From Their Inception to the Present Moment (second edition, 1917; this copy bound with Mirrielies' "John Wyclif's Freudian Complex" from 1930 at the front), by James Phinney Baxter, contrib. by Lucia B. Mirrielees |
| PR2944 .C6 | Is Shakespeare Dead? From My Autobiography (New York and London: Harper and Bros., 1909), by Mark Twain |
| PR2944 .C8 | Bacon's Secret Disclosed in Contemporary Books (London: Gay and Hancock, 1911), by Granville C. Cuningham (multiple formats at archive.org) |
| PR2944 .D6 1888 | The Great Cryptogram: Francis Bacon's Cipher in the So-Called Shakespeare Plays (Chicago et al.: R. S. Peale and Co., 1888), by Ignatius Donnelly (page images at HathiTrust) |
| PR2944 .D8 | Bacon is Shake-Speare: Together With a Reprint of Bacon's Promus of Formularies and Elegancies, by Edwin Durning-Lawrence, contrib. by Francis Bacon (Gutenberg text) |
| PR2944 .F2 | Fundamental Principles of the Baconian Ciphers, and Application to Books of the Sixteenth and Seventeenth Centuries (typescript version; c1916), by George Fabyan |
| PR2944 .F22 | Fundamental Principles of the Baconian Ciphers and Application to Books of the Sixteenth and Seventeenth Centuries (ca. 50-page printed version; c1916), by George Fabyan |
| PR2944 .F22 | Lessons in the Greatest Work of Sir Francis Bacon of Verulam, Viscount St Alban (expanded version of his "Fundamental Principles of the Baconian Ciphers..."; c1916), by George Fabyan |
| PR2944 .P66 | The Biliteral Cipher: Hints for Deciphering (London: R. Banks and Son, ca. 1890), by Mrs. Henry Pott (page images at HathiTrust) |
| PR2944 .P75 | Francis Bacon and His Secret Society, by Mrs. Henry Pott (multiple formats at archive.org) |
| PR2944 .S3 | Secret Shakespearean Seals: Revelations of Rosicrucian Arcana, Discoveries in the Shakespeare Plays, Sonnets, and Works, Printed Circa 1586-1740, of "Secreti Sigilli", Concealed Author's Marks and Signs (Nottingham: H. Jenkins, 1916), by Fratres Roseae Crucis |
| PR2944 .S5 | The Mystery of Francis Bacon (London: R. Banks and Son, 1912), by William T. Smedley (Gutenberg text and illustrated HTML) |
| PR2944 .W46 | Bacon, Shakespeare, and the Rosicrucians (London: G. Redway, 1888), by William Francis C. Wigston |
| PR2944 .W53 | Francis Bacon, Poet, Prophet, Philosopher, Versus Phantom Captain Shakespeare, the Rosicrucian Mask (London: Kegan Paul, Trench, Trubner and Co., 1891), by William Francis C. Wigston (multiple formats at archive.org) |
| PR2946 .D8 1912 | The Shakespeare Myth (London: Gay and Hancock, 1912), by Edwin Durning-Lawrence (multiple formats at archive.org) |
| PR2947 .D5 L4 | Sous le Masque de "William Shakespeare": William Stanley, VIe Comte de Derby (2 volumes in French; Paris: Payot et cie, 1918-1919), by A. Lefranc |
| PR2947 .O9 C63 1931 | Hidden Allusions in Shakespeare's Plays: A Study of the Oxford Theory, Based on the Records of Early Court Revels and Personalities of the Times (New York: W.F. Payson, c1931), by Eva Turner Clark (page images at HathiTrust) |
| PR2947 .O9 O94 | The Oxfordian (volumes prior to the most recent one freely readable online; 1998-) (partial serial archives) |