L I S T O F T E X T S x x i x 425. Message for Opening of the Jewish Health House in Kishinev, 9 March 1929 Jewish Daily Bulletin, 11 March 1929 See documentary edition for English text 426. To Jacques Hadamard, 9 March 1929 427. From Marie Barthelts, 10 March 1929 428. From Paul Ehrenfest, 12 March 1929 429. From Heinrich Friedmann, 12 March 1929 430. From Otto Neustätter, 12 March 1929 431. To Grete Lebach, 13 March 1929 432. From Sigmund Freud, 13 March 1929 433. From Hans Frösch, 13 March 1929 434. Calculation, between 14 March and 19 March 1929 Not selected for translation 435. Verse for Birthday Well-Wishers, 14 March 1929 See Doc. 436 in this volume for published English version 436. Verse for Birthday Well-Wishers, 14 March 1929 The New York Times, 21 April 1929 437. From Paul Ehrenfest, 14 March 1929 438. From Josef Gebele, 14 March 1929 439. From Fritz Haber, 14 March 1929 440. From Kaiser Wilhelm-Institut für Physikalische Chemie und Elektrochemie, 14 March 1929 441. From Chaim Weizmann, 14 March 1929 442. To A. M. Bose, after 14 March 1929 443. To Rose Hilferding, after 14 March 1929 444. To Ludwig Hopf, after 14 March 1929 445. To Alfred Kerr, after 14 March 1929 446. To Dora Stern, after 14 March 1929 447. To Hermann Weyl, after 14 March 1929 448. To Chaim Herman Müntz, 15 March 1929 449. From Michele Besso, 15 March 1929 450. From Max Planck et al., 15 March 1929 451. To Chaim Herman Müntz, 16 March 1929 452. “Hamilton’s Principle and Unified Field Theory,” before 18 March 1929 “Hamiltonsches Prinzip und einheitliche Feld-Theorie” See Doc. 459 in this volume for translation of published version