7 9 8 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 Pupin, Michael I. 11 April 1923 18 C E Quint, Heinz 30 September 1923 174 C 23 October 1923 191 C 10 November 1923 203 C 17 January 1924 265 C 30 January 1924 277 C 31 January 1924 280 C 8 February 1924 294 C Raffalovich, Isaiah 27 January 1925 640 C Rebelski, Isaak before 16 January 1924 263 C 16 January 1924 264 C E Reichenbach, Hans 19 April 1923 34 C 2 May 1923 44 C 12 May 1923 50 C E 9 June 1923 89 C E 10 July 1923 122 C Reichinstein, David 27 August 1923 106 E Reichsdruckerei 20 February 1925 653 C E Renner, Theresa 31 December 1922 Vol. 13, 414a E Republikanische Partei Deutschland 23 January 1924 270 C Reynold, Gonzague de 3 November 1924 493 C 5 November 1924 495 C E 19 November 1924 520 C E 22 November 1924 529 C 27 November 1924 380 E 8 December 1924 566 C 12 December 1924 577 C E 16 December 1924 586 C E 18 December 1924 591 C 20 December 1924 402 E 20 December 1924 594 C 22 December 1924 601 C E 26 December 1924 608 C 27 December 1924 609 C 7 May 1925 681 C E Rijnberk, G. van and Constant C. Delprat 25 October 1923 192 C Rockefeller Foundation after 22 June 1923 106 C E Roessingh, Karel Hendrik 11 February 1924 301 C Rosenberg, Hans von 28 May 1923 65 C E Rothenberg, Morris 21 November 1924 374 E Royal Academy of Sciences and Arts, Barcelona 20 June 1923 100 C E 20 June 1923 101 C E Royal Institution, Great Britain 3 December 1923 221 C 16 December 1923 230 C E Ruge, Ludwig 22 December 1924 606 C Runge, Carl 26 September 1923 172 C Rusch, Franz 18 July 1924 406 C E Ruschkewitz, Erich 3 July 1923 115 C 21 July 1923 84 E Rykov, Alexei 4 July 1924 397 C E Samuel, Herbert 3 March 1925 454 E Santesson, Carl G. 6 April 1923 8 C E