Page:Relativity (1931).djvu/182

162 The Total Eclipse of 20th May 1919, and the Influence of Gravitation on Light: A. S. Eddington, ibid., March, 1919.

Discussion on the Theory of Relativity: M. N. Roy. Astron. Soc., vol. lxxx., No. 2., p. 96, December 1919.

The Displacement of Spectrum Lines and the Equivalence Hypothesis: W. G. Duffield, M. N. Roy. Astron. Soc., vol. lxxx.; No. 3, p. 262, 1920.

Space, Time and Gravitation: A. S. Eddington. Camb. Univ. Press, 1920.

The Mathematical Theory of Electricity and Magnetism: J. H. Jeans (4th edition). Camb. Univ. Press, 1920.

The Electron Theory of Matter:. Camb. Univ. Press.