x x LIST OF TEXTS
20. From Elsa Einstein, before 20 May 1920
21. From Paul Winteler, before 20 May 1920
22. To Elsa Einstein, 20 May 1920
23. To Max Wertheimer, 21 May 1920
24. From Erich Regener, 21 May 1920
25. To Elsa Einstein, 22 May 1920
26. To Hendrik A. Lorentz, 22 May 1920
27. From Max von Laue, 22 May 1920
28. From Carl H. Unthan, 23 May 1920
29. To the Royal Academy of Sciences in Amsterdam, 24 May 1920
30. From Elsa Einstein, 24 May 1920
31. From Robert Fricke, 26 May 1920
32. To Elsa Einstein, 27 May 1920
33. To Ilse Einstein, 27 May 1920
34. To Heinrich Zangger, 27 May 1920
35. From Hendrik A. Lorentz, 27 May 1920
36. From Konrad Haenisch, 28 May 1920
37. From Greti Moser, 28 May 1920
38. From Paul Epstein, 30 May 1920
39. From Anton Lampa, 30 May 1920
40. From Adriaan D. Fokker, 2 June 1920
41. To Hans Vaihinger, 3 June 1920
42. To Paul Epstein, 4 June 1920
43. To Klaus Hansen, 4 June 1920
44. To Ernst Cassirer, 5 June 1920
45. From Adolf Smekal, 5 June 1920
46. To Paul Ehrenfest, 6 June 1920
47. To Moritz Schlick, 7 June 1920
48. To Robert Fricke, 9 June 1920
49. From Hendrik A. Lorentz, 9 June 1920
50. From Arthur Schoenflies, between 9 June and 28 July 1920
51. From Moritz Schlick, 10 June 1920
52. To Arthur S. Eddington, 11 June 1920
53. From Moritz Schlick, 12 June 1920
54. From Willem H. Julius, 13 June 1920