8 4 0 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 Harzer, Paul 16 October 1925 147 C 17 October 1925 149 C Hasche, Erwin 8 May 1927 843 C E Hausmeister, Paul 25 July 1925 56 C Hebrew University 4 July 1926 318 E 23 July 1926 545 C E Heilborn, Ernst 14 April 1926 413 C Heisenberg, Werner 16 November 1925 112 30 November 1925 119 18 February 1926 198 19 May 1927 524 Helder, Jacob 6 May 1927 837 C Hellpach, Willy 26 August 1924 Vol. 14, 306a E Héon, Mlle. 26 January 1926 284 C Herbers, Hein 24 February 1927 771 C after 24 February 1927 489 E Herglotz, Gustav 31 January 1927 468 Herzfeld, Karl 8 January 1926 256 C after 8 January 1927 447 E Heusler, Otto 15 August 1925 81 C Heymanns Publishing House Berlin 11 August 1925 77 C Himstedt, Franz 28 September 1925 117 C Hirsch, Julius 26 May 1926 473 C 1 June 1926 487 C Hirsch, Max 20 June 1926 510 C Hochheim, Ernst 10 February 1926 311 C Hobson, Richmond 9 August 1926 561 C Hodson, Thomas C. 29 August 1925 91 C 12 October 1925 136 C 5 January 1926 253 C 25 February 1926 332 C 11 March 1926 359 C 23 March 1926 380 C Hoffmann, Ernst 2 February 1926 296 C Holländisches Verkehrsbüro after 29 May 1926 482 C Holst, H. 21 September 1925 115 C Hornbostel, Johannes von after 1927 702 C Huch, Otto 4 February 1927 783 C after 4 February 1927 741 C E Hufnagel, Leon 12 April 1927 821 C Hurwitz, Ida 15 October 1925 145 C E before 27 April 1926 434a C E Internationale Arbeiterhilfe 10 October 1925 134 C 21 October 1925 154 C 22 October 1925 156 C 4 December 1925 215 C 28 February 1926 206 E 29 December 1926 697 C