x x L I S T O F T E X T S 161. To Maja Winteler-Einstein, 23 April 1922 162. From Sebastian Kornprobst, 23 April 1922 163. To Paul Ehrenfest, 24 April 1922 164. To Sebastian Kornprobst, 24 April 1922 165. To Otto Soehring, 24 April 1922 166. From Paul Block, 24 April 1922 167. From Paul Langevin, 25 April 1922 168. From Maurice Solovine, 27 April 1922 169. To Emile Borel, 28 April 1922 170. To Hans Delbrück, 28 April 1922 171. To Jacques Hadamard, 28 April 1922 172. To Moritz Schlick, 28 April 1922 173. To Mario Viscardini, 28 April 1922 174. To Elsa Einstein, 29 April 1922 175. From Max Born, 30 April 1922 176. From Paul Painlevé, 30 April 1922 177. To Chenzu Wei, 3 May 1922 178. To Elsa Einstein, 4 May 1922 179. To Hans Albert Einstein, 5 May 1922 180. From Edgar Zilsel, 5 May 1922 181. Two Aphorisms, 8 May 1922 182. To Paul Painlevé, 8 May 1922 183. From Henri Barbusse, 8 May 1922 184. Paul Ehrenfest to Niels Bohr, 8 May 1922 185. From David Hilbert, 9 May 1922 186. To Elsa Einstein, 10 May 1922 187. From Edward H. Synge, 10 May 1922 188. To Paul Langevin, 12 May 1922 189. From Emile Borel, 13 May 1922 190. To Max Born, on or after 14 May 1922 191. From Paul Ehrenfest, 16 May 1922 192. From Eric Drummond, 17 May 1922 193. To Paul Ehrenfest, 18 May 1922