Preface. Part I: Electrodynamics as a Gauge Field Theory. 1. General Gauge Field Theory Applied to Electrodynamics. 2. The Geometry of Gauge Fields. 3. Field-Matter Interaction. Part II: Historical Development of O(3) Electrodynamics: Selected Papers. 1. Ultra Relativistic Inverse Faraday Effect. 2. On the Use of a Complex Vector Potential in the Minimal Prescription in the Dirac Equation. 3. Infinitesimal Field Generators. 4. Note on Radio Frequency Induced N.M.R. 5. Fundamental Definitions for the Vacuum B(3) Field. 6. Unified Field Theory and B(3). 7. The Physical Meaning of B(3) 8. Relativistic Magneto-Optics and the Evans-Vigier Field. 9. On the Irrotational Nature of the B(3) Field. 10. The Interaction of the Evans-Vigier Field with Atoms. 11. The Derivation of the Majorana Form of Maxwell's Equations from the B Cyclic Theorem. 12. The Evans-Vigier Field B(3) Interpreted as a De Broglie Pilot Field. 13. The Charge Quantization Condition: Link Between the O(3) Gauge Group and the Dirac Equation. 14. The Evans-Vigier Field, B(3), in Dirac's Original Electron Theory: a New Theorem of Field-Fermion Interaction. 15. The Microwave Optical Zeeman Effect Due toB(3) 16. B(3) Echoes. 17. Maxwell's Vacuum Field -- a Rotating Charge. 18. Dipole Model for the Photon and the Evans-Vigier Field. 19. Electromagnetism in Curved Space-time. 20. The Cyclic Structure of Vacuum Electromagnetism: Quantization and Derivation of Maxwell's Equations. Index. Contents, Volume 1. Contents, Volume 2. Contents, Volume 3. Contents, Volume 4.