1. Albert Einstein, “Maxwell’s Influence on the Evolution of the Idea of Physical Reality,” in Ideas and Opinions (New York: Three Rivers Press, 1982), 269.
2. Geoffrey Cantor and Michael Hodge, eds., Conceptions of Ether: Studies in the History of Ether Theories 1740–1900 (Cambridge: Cambridge University Press, 1981); Peter M. Harman, Energy, Force, and Matter: The Conceptual Development of Nineteenth-Century Physics (Cambridge: Cambridge University Press, 1982); John J. Roche, ed., Physicists Look Back: Studies in the History of Physics (Bristol: Adam Hilger, 1990); Olivier Darrigol, Electrodynamics from Ampère to Einstein (Oxford: Oxford University Press, 2000).
3. Mogens Pihl, "Lorenz, Ludwig Valentin," in Dictionary of Scientific Biography, ed. Charles Gillispie (New York: Charles Scribner's Sons, 1972), 8:501-2
4. Helge Kragh, "Ludvig Lorenz and Nineteenth Century Optical Theory: The Work of a Great Danish Scientist," Applied Optics 30 (1991), 4688-95.
5. Ludvig Lorenz, “Ueber die Reflexion des Lichts an der Gränzfläche zweier isotropen, durchsichtigen Mittel,” Annalen der Physik und Chemie 111 (1860), 460–73.