x v i i i L I S T O F T E X T S 283. From Leonhard Grebe and Albert Bachem, 26 January 1920 Not selected for translation 284. To Hedwig and Max Born, 27 January 1920 285. To Cambridge University Press, 27 January 1920 286. From Alexander Eliasberg, 27 January 1920 287. From Anton Lampa, 27 January 1920 288. To Arthur Korn, 28 January 1920 Not selected for translation 289. To Alexander Eliasberg, 30 January 1920 290. From Paul Epstein, 31 January 1920 291. From Anton Lampa, 1 February 1920 292. From Rudolf Wegscheider, 1 February 1920 293. To Arthur S. Eddington, 2 February 1920 294. To Paul Ehrenfest, 2 February 1920 295. To Ludwig Hopf, 2 February 1920 296. To Edgar Meyer, 2 February 1920 297. From Robert W. Lawson, 2 February 1920 298. To Ernest B. Ludlam, 4 February 1920 299. Nomination of Arnold Sommerfeld and Peter Debye as Cor- responding Members of the Prussian Academy of Sciences, before 5 February 1920 Not selected for translation 300. From Marcel Grossmann, 5 February 1920 301. To Robert W. Lawson, 7 February 1920 302. To Rudolf Wegscheider, 7 February 1920 303. From Paul Ehrenfest, 8 February 1920 304. From Heike Kamerlingh Onnes, 8 February 1920 305. To Edouard Guillaume, 9 February 1920 306. To Berlin-Schöneberg Office of Taxation, 10 February 1920 307. To Richard von Mises, 10 February 1920 308. From Hendrik A. Lorentz, 11 February 1920 309. From Hans T. Cohn, 12 February 1920 310. From Heinrich Pfeiffer, 12 February 1920 Not selected for translation 311. From Eduard Meyer, 12 February 1920