1 6 8 C O R R E S P O N D E N C E , 1 9 2 0
2 To Niels Bohr, 10, 4
3 To Kaiser-Wilhelm Institute of
Physics, board of trustees, 10, C
3 To Hans Wittig, 10, 5
3 From Gaston Moch, 10, C
4 To Paul Ehrenfest, 10, 6
4 From Maurice Solovine, 10, C
4 From Vieweg publishing house,
10, C
6 From Bernhard Harms, 10, C
7 To Elsa Einstein, 10, 7
7 To Christian Jensen, 10, C
7 To Friedrich Schuh, 10, C
7 From Adolf von Harnack, 10, C
8 From Willem H. Julius, 10, 8
8 From Adolf Wermuth, 10, C
9 To Elsa Einstein, 10, 9
after 9 From Elsa Einstein, 10, 10
10 From Ernst Cassirer, 10, 11
10 From Moritz Schlick, 10, 12
11 To Elsa Einstein, 10, 13
11 To Prussian Academy of Sciences,
10, C
11 From R. W. Drechsler, 10, C
11 From Will Großmann, 10, C
11 From Erich Marx, 10, C
11 From Julio Rey Pastor, 10, C
after 11 To R. W. Drechsler, 10, C
after 11 To Friedrich Rosen, 10, C
12 From Richard von Schubert-
Soldern, 10, C
13 From Frank D. Fackenthal, 10, C
14 From Mileva Einstein-Maric;;,
10, 14
14 From Hans Albert Einstein, 10, 15
15 To Wostok publishing house, 10, C
15 From Robert W. Lawson, 10, C
15 From Jeanne Rouvière, 10, C
15 From Max Wertheimer, 10, 16
17 To Elsa Einstein, 10, 17
17 From Lucien Fabre, 10, 18
18 From Hendrik A. Lorentz, 10, C
18 From Friedrich Schmidt-Ott, 10, C
19 To Elsa Einstein, 10, 19
before 20 From Elsa Einstein, 10, 20
before 20 From Paul Winteler, 10, 21
20 To Elsa Einstein, 10, 22
20 From Wostok publishing house,
10, C
21 To Max Wertheimer, 10, 23
21 From Erich Regener, 10, 24
21 From Pieter Zeeman, 10, C
22 To Elsa Einstein, 10, 25
22 To Hendrik A. Lorentz, 10, 26
22 From Barth Publishing House,
10, C
22 From Max von Laue, 10, 27
23 From Carl H. Unthan, 10, 28
23 From Hans Vaihinger, 10, C
24 To the Royal Academy of Sciences
in Amsterdam, 10, 29
24 From Elsa Einstein, 10, 30
24 From Peter P. Koch, 10, C
24 From Maurice Solovine, 10, C
24 From Fritz Weigert, 10, C
26 From Robert Fricke, 10, 31
26 From Vieweg publishing house,
10, C
27 To Elsa Einstein, 10, 32
27 To Ilse Einstein, 10, 33
27 To Heinrich Zangger, 10, 34
27 From Hendrik A. Lorentz, 10, 35
28 From Konrad Haenisch, 10, 36
28 From Hans Georg, Möller, 10, C
28 From Greti Moser, 10, 37
30 From
Paul Epstein, 10, 38
30 From Anton Lampa, 10, 39
June
1 To Vieweg publishing house, 10, C
1 From F. M. Henkell, 10, C
1 From Frans M. Jaeger, 10, C
1 From Friedrich Schmidt-Ott, 10, C
after 1 To Erich Marx, 10, C
2 To Maurice Solovine, 10, C
2 From Adriaan D. Fokker, 10, 40
2 From Hedwig Kohn, 10, C
2 To Vieweg publishing house, 10, C
2 From Vieweg publishing house,
10, C
3 To Julio Rey Pastor, 10, C
3 To Hans Vaihinger, 10, 41
4 To Paul Epstein, 10, 42
4 To Klaus Hansen, 10, 43
5 To Ernst Cassirer, 10, 44
5 To Peter P. Koch, 10, C
5 To D. B. Steinman, 10, C
5 From Moritz Schlick, 10, C
5 From Adolf Smekal, 10, 45
6 To Columbia University, 10, C