x x i v L I S T O F T E X T S
364. To Emil Schwamberger, 1 April 1920
365. To Ludo Moritz Hartmann, 2 April 1920
366. To [Paul Nathan], 3 April 1920
367. From Hans Vaihinger, 4 April 1920
368. To Central Association of German Citizens of the Jewish Faith,
5 April 1920
369. To Hans Albert Einstein, 5 April 1920
370. To Carl Hermann Unthan, 5 April 1920
371. To Paul Ehrenfest, 7 April 1920
372. From Maurice Solovine, 7 April 1920
373. From Paul Ehrenfest, 13 April 1920
374. From Paul Kammerer, 15 April 1920
375. From Paul Ehrenfest, 16 April 1920
376. From Georg Vogelpohl, 16 April 1920
377. To Georg Vogelpohl, after 16 April 1920
378. To Moritz Schlick, 19 April 1920
379. To Ulrich von Wilamowitz-Moellendorff, 19 April 1920
380. To Heinrich Zangger, 19 April 1920
381. From Julius Burghold, 19 April 1920
382. To Max Born, 20 April 1920
383. To Franz Ulinski, 20 April 1920
384. From Federigo Enriques, 20 April 1920
385. From Richard von Schubert-Soldern, 20 April 1920
386. From Hans Wittig, 20 April 1920
387. To Anton Lampa, 20 April–12 May 1920
388. To Rudolf Peters, after 20 April 1920
389. To Robert W. Lawson, 22 April 1920
390. From Robert W. Lawson, 22 April 1920
391. From Julio Rey Pastor, 22 April 1920
392. From Moritz Schlick, 22 April 1920
393. To Maurice Solovine, 24 April 1920
394. From Paul Oppenheim, 24 April 1920
395. From Hans Vaihinger, 24 April 1920
396. To Julius Burghold, 25 April 1920