L I S T O F T E X T S x x x i 440. From 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” 453. “Professor Einstein and Ulm,” 18 March 1929 “Professor Einstein und Ulm” Ulmer Abendpost 6, No. 67 (20 March 1929) 454. To Heinrich Friedmann, 18 March 1929 455. From Chaim Herman Müntz, 18 March 1929 456. To Alfred Schuster, 19 March 1929 457. To Menachem Ussishkin, 19 March 1929 458. To Kurt Blumenfeld, 20 March 1929 Jüdische Rundschau, 22 March 1929 459. “Unified Field Theory and Hamilton’s Principle,” 21 March 1929 “Einheitliche Feldtheorie und Hamiltonsches Prinzip” Preußische Akademie der Wissenschaften (Berlin). Physikalisch- mathematische Klasse. Sitzungsberichte (1929) 460. To Siegfried Bieber, 21 March 1929 461. From Tullio Levi-Civita, 21 March 1929 462. To Marie Barthelts, 22 March 1929 463. To the Ehrenfest Family, 22 March 1929 464. To Alfred Einstein, 22 March 1929 465. To Sigmund Freud, 22 March 1929 466. To Michele Besso, after 22 March 1929 467. On the Einstein Forest, 23 March 1929 “Einsteins Dank” Einstein-Wald 1930