1 6 6 C O R R E S P O N D E N C E , 1 9 2 0
15 From Edouard Guillaume, 9, 316
15 From Fritz Weigert, 9, C
18 From W. Sazyma, 9, C
19 To Konrad Haenisch, 9, 317
19 To Vieweg publishing house, 9, C
19 From David Hilbert, 9, 318
19 From Friedrich Kottler, 9, 319
after 19 From Richard von Mises, 9, C
20 From Michael Polányi, 9, 321
21 To David Hilbert, 9, 322
21 To Richard Wettstein, 9, 323
21 From Deutsches Museum, Munich,
9, C
21 From Erwin Freundlich, 9, 324
21 From Auguste Hochberger, 9, 325
21 From Vieweg publishing house,
9, C
22 From Robert W. Lawson, 9, 326
22 From Moritz Schlick, 9, 327
22 From Friedrich Schmidt-Ott, 9, C
23 From Jeanne Rouvière, 9, C
24 From Erwin Freundlich, 9, 328
24 From Erna and Karl Reis, 9, C
24 From Vieweg publishing house,
9, C
25 From Eduard Einstein, 10: Vol. 9,
328a
26 From the Protestant Synod of
Berlin, 9, 329
27 To Marcel Grossmann, 9, 330
27 To Moritz Schlick, 9, 331
27 To Heinrich Zangger, 9, 332
27 To Hans Albert Einstein, 9, 333
27 From Albert Fleck, 9, 334
28 From Friedrich Schmidt-Ott, 9, C
29 From Ernest B. Ludlam, 9, C
March
1 To Paul Ehrenfest, 9, 335
1 To Michael Polányi, 9, 336
1 From Naturwissenschaften
publishing house, 9, C
3 To Max Born, 9, 337
3 To Vieweg publishing house, 9, C
3 From Anton Lampa, 9, 338
3 From Charlotte Weigert, 9, C
4 From Carl H. Becker, 9, C
5 From Blau, 9, 339
5 From Peter Debye, 9, 340
5 From David Hilbert, 9, 341
6 To Blau, 9, 342
8 To German Society for Foreign-
Book Trade, 9, 343
8 To Jeanne Rouvière, 9, C
9 To Carl H. Becker, 9, C
9 Ilse Einstein to the Protestant
Synod of Berlin, 9, 346
9 From Max Planck, 9, C
9 From Walter Schottky, 9, 345
10–12 To Konrad Haenisch, 9, 349
10–12 From Paul Ehrenfest, 9, 347
10 From Ludwik Silberstein, 9, 348
10 From Vieweg publishing house,
9, C
11 From Schmitt, 9, C
12 From Georg Count von Arco,
9, 350
12 From Konrad Haenisch, 9, 351
12 From Vieweg publishing house,
9, C
13 From Moritz Schlick, 9, 352
14 From Hans Albert Einstein, 10:
Vol. 9, 351a
14 From Eduard Einstein, 10: Vol. 9,
351b
15 From Arthur S. Eddington, 9, 353
16 To Vieweg publishing house, 9, C
16 From Heinrich Pfeiffer, 9, 354
17 From Hendrik A. Lorentz, 9, 355
17 From Anna Treumann, 9, C
18 To Hendrik A. Lorentz, 9, 356
18 From
Marcel Grossmann, 9, 357
22 To Otto Bahn, 9, 358
22 From Emil Schwamberger, 9, C
23 From Eduard Korrodi, 9, 359
23 From Frederick A. Lindemann,
9, C
23 From Heinrich Prinz, 9, C
24 From Barth publishing house, 9, C
24 From Neue Zürcher Zeitung, 9, C
24 From D. B. Steinman, 9, C
25 From Otto Eisfelder, 9, C
26 To Hans Albert and Eduard
Einstein, 9, 360
26 To Heinrich Zangger, 9, 361
26 From Friedrich Schmidt-Ott, 9, C
27 From Max von Laue, 9, 362
28 From Ludwig G. Rebholz, 9, C
after 28 To Ludwig G. Rebholz, 9, C
29 From Central Association of