L I S T O F T E X T S x v i i 48. To Leo Szilard, 12 September 1927 49. Statement on Max Hoelz, 13 September 1927 50. To Hendrik A. Lorentz, 13 September 1927 51. To Gotthold Mamlock, 16 September 1927 52. From Oswald Veblen, 16 September 1927 53. To Chaim Herman Müntz,  between January 1927 and 17 September 1927 54. To Chaim Herman Müntz, 17 September 1927 55. To Oswald Veblen, 17 September 1927 56. From Eduard Einstein, before 19 September 1927 57. To Hans Albert Einstein, 19 September 1927 58. To Beatrice Jahn Rusconi-Besso, 20 September 1927 59. To Leo Kohn, 20 September 1927 60. To Leon Steinig, 20 September 1927 61. To Carl Willig, 24 September 1927 62. To Leo Kohn, 28 September 1927 63. To the Nobel Prize Committee for Physics, 28 September 1927 64. To Rudolf Lämmel, 1 October 1927 65. From Auguste Piccard, 2 October 1927 66. Obituary of Svante Arrhenius, after 2 October 1927 67. To Lina Gutherz Straus, 5 October 1927 68. To Club 1926, 8 October 1927 69. From Pascual Jordan, between 11 October and 18 November 1927 70. From Paul Ehrenfest, 12 October 1927 71. To Internationales Studentenwerk, 14 October 1927 72. To Andor Fodor, 19 October 1927 73. From Heinrich Zangger, 21 October 1927 74. To Elsa Einstein, 23 October 1927 75. From and to Paul Ehrenfest, 25 October 1927 76. The Essence of Quantum Mechanics, 28 October 1927 77. The Essence of Quantum Mechanics, 28 October 1927 Electrons et Photons, Rapports et discussions Solvay 1928 78. To Caesar Koch, 28 October 1927 79. From Arnold Sommerfeld, 1 November 1927