Chapters in this book

1. Frontmatter I
2. Contents IX
3. Plates XI
4. Foreword XIII
5. I. The Forerunner of Modern Science 1
6. II. The Voynich Cipher Manuscript of Roger Bacon: Sketch of Its History 29
7. III. The Voynich Cipher Manuscript Of Roger Bacon: Sketch of Its Contents 44
8. IV. The Principles of Roger Bacon's Cipher 52
9. V. Following the Clues 72
10. VI. The Derivation of the Biliteral Alphabets 78
11. VII. The Script of the Shorthand Cipher 96
12. VIII. Rules for Deciphering the Texts 105
13. IX. The Interpretation of the Key 108
14. X. The Annular Eclipse of 1290 121
15. XI. The Great Nebula of Andromeda 123
16. XII. The Comet of 1273 125
17. XIII. Cato and Fulvius 131
18. XIV. The Oxford Story 133
19. XV. The Gunpowder Formula 141
20. XVI. The Vatican Document 144
21. XVII. The Paris Medical Text 176
22. XVIII. The Formula for Producing Metallic Copper 181
23. XIX. The Abbreviated Word about the Green Lion 186
24. XX. The Tables of Values 192