7 6 2 A L P H A B E T I C A L L I S T O F C O R R E S P O N D E N C E Langwerth von Simmern, Ernst 3 March 1923 530 C Laue, Max von 26 May 1922 241 C E 27 May 1922 244 C E 29 May 1922 246 C 12 June 1922 278 C E 3 July 1922 313 C 8 July 1922 271 12 July 1922 278 E 18 September 1922 363 Le Bon, Gustave 19 May 1922 195 E 7 June 1922 223 18 June 1922 240 E 27 June 1922 252 30 June 1922 255 E 13 July 1922 285 E 19 July 1922 299 Léon, Xavier 18 March 1922 117 C Levi-Civita, Tullio ca. 15 September 1922 357 E Liebermann, Max 7 October 1922 429 C E Loeb, Jacques 14 August 1922 325 E 4 September 1922 344 22 September 1922 368 E Loewe, Heinrich 24 September 1922 418 C Ludendorff, Hans 14 February 1922 80 C E Lüders, Heinrich 17 January 1922 33 C 15 February 1923 431 24 March 1923 454 E Ludwig, Emil 16 March 1922 112 C Mendelssohn & Co 1 March 1922 98 C E 18 March 1922 115 C E 20 March 1922 118 C 13 May 1922 216 C E 17 May 1922 223 C 16 June 1922 289 C E 19 June 1922 297 C 3 August 1922 363 C 14 August 1922 370 C 18 August 1922 373 C 24 August 1922 374 C 26 August 1922 375 C 12 September 1922 403 C 27 December 1922 482 C 21 February 1923 525 C 8 February 1923 511 C E Madsen, Thorvald 12 September 1922 402 C 14 September 1922 353 E Maier-Friedländer, Gustav and Regina 18 March 1922 93 E Marx, Erich 4 January 1922 7 C E 3 March 1922 65 after 3 March 1922 66 E Martienssen, Oscar 25 March 1922 125 C 27 March 1922 128 C E 28 March 1922 133 C 29 March 1922 135 C Marx, Erich 2 January 1922 3 C 4 January 1922 7 C E 26 July 1922 354 C Marx-Weinbaum, Erich 13 July 1922 334 C 22 July 1922 303 E Maschke, Georg 9 April 1922 137 15 April 1922 145 E Matsubara, Kazuro 5 July 1922 316 C