L I S T O F T E X T S x i x 154. From Chaim Weizmann, 13 March 1928 155. To Leo Kohn, 17 March 1928 156. “On the Basic Concepts of Physics and Their Most Recent Transformations,” before 18 March 1928 “Ueber die Grundbegriffe der Physik & ihre neuesten Wandlungen” 157. “On the Davos University Lectures,” 18 March 1928 “Über die Davoser Hochschulkurse” Gelegentliches von Albert Einstein. Zum fünfzigsten Geburtstag 14. März 1929 dargebracht von der Soncino-Gesellschaft der Freunde des jüdischen Buches zu Berlin. Berlin: Soncino- Gesellschaft, 1929 158. Report on Davos Lecture, ca. 18 March 1928 159. Calculation, after 18 March 1928 Not selected for translation 160. To Heinrich Zangger, 22 March 1928 161. From Heinrich Zangger, after 22 March 1928 162. Aphorism on Johann Sebastian Bach, after 24 March 1928 163. From Heinrich Zangger, 26 March 1928 164. To Hans Albert Einstein, 31 March 1928 165. To Ilse Kayser-Einstein, 31 March 1928 166. To Hedwig Fischer-Landshoff,  between early April and early July 1928 167. To Max von Laue, between early April and early October 1928 168. From Eduard Einstein, ca. 2 to 10 April 1928 169. From Mileva Einstein-Marić, ca. 2 to 10 April 1928 170. To Wander J. de Haas, 11 April 1928 171. “On Spinoza’s Ethics,” before 13 April 1928 “Zu Spinozas Ethik” 172. To Leo Kohn, 14 April 1928 173. To Emil Rupp, 16 April 1928 174. To Wichard von Moellendorff, 20 April 1928 175. From Edward Hutchinson Synge, 22 April 1928 See documentary edition for English text 176. From Heinrich Zangger, 24 April 1928 177. To Heinrich Brauns, 26 April 1928 178. To the Central Committee of the Workers International Relief, 26 April 1928 179. Message to the Jewish Students Congress in Paris, 27 April 1928 Jewish Daily Bulletin, 27 April 1928 See documentary edition for English text