xvi LIST OF TEXTS 153. From Hendrik A. Lorentz, 6 May 1909 154. To Anna Meyer-Schmid, 12 May 1909 155. To Fritz Reiche, 12 May 1909 156. From Wilhelm Fiedler, 13 May 1909 157. To Alfred Stern, 14 May 1909 158. To Jakob Ehrat, 16 May 1909 159. From Jakob Laub, 16 May 1909 160. To Jakob Laub, 17 May 1909 161. To Jakob Laub, 19 May 1909 162. From George Searle, 20 May 1909 163. To Hendrik A. Lorentz, 23 May 1909 164. From Lucien Chavan, 28 May 1909 165. From Philipp Lenard, 5 June 1909 166. To Georg Meyer, 7 June 1909 167. To Friedrich Adler, 12 June 1909 168. To Eilhard Wiedemann, 14 June 1909 169. To the Swiss Department of Justice, 6 July 1909 170. To Lucien and Jeanne Chavan-Perrin, 9 July 1909 171. From Paul Tinguely, 17 July 1909 172. To Johannes Stark, 31 July 1909 173. To the Department of Education, Canton of Bern, 3 August 1909 174. To Ernst Mach, 9 August 1909 175. To Ernst Mach, 17 August 1909 176. To Edgar Meyer, 28 August 1909 177. To Conrad Habicht, 3 September 1909 178. To Edgar Meyer, 28 September 1909 179. To Arnold Sommerfeld, 29 September 1909 180. To Lucien Chavan, 19 October 1909 181. To Adolf Hurwitz, after 22 October 1909 182. To Edgar Meyer, 29 October 1909 183. To Helene Savic, November 1909-February 1910 184. To the Department of Education, Canton of Zurich, 1 November 1909