LIST OF TEXTS xxi 314. From Willem Julius, 25 November 1911 315. To Marian von Smoluchowski, 27 November 1911 316. From Hendrik A. Lorentz, 6 December 1911 317. From Robert Gnehm, 8 December 1911 318. From Hendrik A. Lorentz, 8 December 1911 319. To Marcel Grossmann, 10 December 1911 320. To Hendrik A. Lorentz, 12 December 1911 321. From Marcel Grossmann, 12 December 1911 322. From Willem Julius, 12 December 1911 323. From Marian von Smoluchowski, 12 December 1911 324. To Robert Gnehm, 13 December 1911 325. To Heinrich Zangger, 13-16 December 1911 326. From Robert Gnehm, 16 December 1911 327. To Willem Julius, 18 December 1911 328. To Robert Gnehm, 19 December 1911 329. From Fritz Haber, 19 December 1911 330. To Heinrich Zangger, 25 December 1911 331. To Michele Besso, 26 December 1911 332. From Paul Habicht, 27 December 1911 333. From Max Laue, 27 December 1911 334. From Willem Julius, 29 December 1911 335. To Lucien and Jeanne Chavan-Perrin, January 1912 336. To Erwin Freundlich, 8 January 1912 337. From George Pegram, 9 January 1912 338. To Fritz Fichter-Bernoulli, 17 January 1912 339. To Wilhelm Wien, 17 January 1912 340. From Arnold Eucken, 23 January 1912 341. From Robert Gnehm, 23 January 1912 342. To Paul Ehrenfest, 26 January 1912 343. To Wilhelm Wien, 27 January 1912 344. To Heinrich Zangger, 27 January 1912 345. To Lucien Chavan, 28 January 1912 346. To George Pegram, 29 January 1912 347. From Heinrich Zangger, 30 January 1912