Einstein's Theories of Relativity and Gravitation / A selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000 - J. Malcolm Bird

^[13] “The Interior of a Star,” Eddington. Scientia, 1918, 23, 15.

^[14] Monthly Notices, R. A. S., 1919, 80, 138.

^[15] Monthly Notices. R. A. S., 1920, 80, 415. Journ. Brit. Astron. Assoc., 1919, 30, 46.

^[16] Astro-Physical Journ., 1917, 46, 249.

^[17] Journ. Brit. Astron. Assoc., 1920, 30, 276.

XVIII

The Best Discussion of the Special Theory Among All the Competing Essays

BY PROFESSOR HENRY NORRIS RUSSELL, PRINCETON UNIVERSITY