x v i i i L I S T O F T E X T S 80. To Presse-Verlag Dr. Dammert, 3 November 1927 81. To Heinrich Zangger, 3 November 1927 82. To Elias Auerbach, 5 November 1927 83. To Arnold Sommerfeld, 9 November 1927 84. “Refrigerator,” 12 November 1927 “Kältemaschine” Reichspatentamt Patentschrift Nr. 563 403 85. To Carl H. Becker, 12 November 1927 86. To Deutscher Pazifistischer Studentenbund, 12 November 1927 87. From Auguste Piccard, 14 November 1927 88. From Georg Count von Arco, 15 November 1927 89. Poem for Josef Grünberg, 17 November 1927 90. To Georg Count von Arco, 19 November 1927 91. “General Theory of Relativity and Equations of Motion,” 21 November 1927 “Allgemeine Relativitätstheorie und Bewegungsgesetz” Preußische Akademie der Wissenschaften (Berlin). Physikalisch- mathematische Klasse. Sitzungsberichte (1928) 92. To Andor Fodor, 26 November 1927 93. To Otto Lüning, 26 November 1927 94. From Emil Rupp, 29 November 1927 95. Hendrik A. Lorentz’s Activities in Behalf of International Cooperation, after 30 November 1927 96. Review of Reichenbach’s Philosophie der Raum-Zeit-Lehre,  after 1 December 1927 Deutsche Literaturzeitung, 1. Heft 1928 97. From Paul Ehrenfest, 2 December 1927 98. On Fritz Kortner, 3 December 1927 “Kortner” Heinz Ludwigg, ed. Die Kunst der Bühne. Band 3: Fritz Kortner. Berlin: Eigenbrödler, 1928 99. To Kurt Singer, 7 December 1927 100. From Alfred Einstein, 9 December 1927 101. From Paul S. Epstein, 9 December 1927 102. From Mileva Einstein-Marić, on or before 10 December 1927 103. To Max Liebermann, 10 December 1927 104. From Eduard Einstein, 10 December 1927 105. From Josef Winternitz, 13 December 1927