L I S T O F T E X T S x i i i 5. From Hermann Weyl, 3 January 1922 6. To Max Born, 6 January 1922 7. From Hedwig Born, 7 January 1922 8. From Paul Ehrenfest, 8 January 1922 9. To Hermann Anschütz-Kaempfe, 9 January 1922 10. To Friedrich Vieweg & Sohn, 9 January 1922 11. From Richard B. Haldane, 9 January 1922 12. “Proof of the Non-Existence of an Everywhere Regular, Centrally Symmetric Field According to the Field Theory of Kaluza,” 10 January 1922 “Beweis der Nichtexistenz eines überall regulären zentrisch symmetrischen Feldes nach der Feld-Theorie von Th. Kaluza” Scripta Universitatis atque Bibliothecae Hierosolymitanarum. Mathematica et Physica 1 (1923) 13. To Paul Ehrenfest, 11 January 1922 14. From Arnold Sommerfeld, 11 January 1922 15. From Felix Ehrenhaft, 12 January 1922 16. To Maurice Solovine, 14 January 1922 17. From Eberhard Zschimmer, 14 January 1922 18. Expert Opinion on Rudolf Goldschmidt’s Patent, after 14 January 1922 “Gutachten zum Amerikanischen Patent Nr 1386329 Goldschmidt” 19. From Richard Courant, 15 January 1922 20. From Michael Polányi, 15 January 1922 21. From Sanehiko Yamamoto, 15 January 1922 22. From Sanehiko Yamamoto, 15 January 1922 23. “To Allgemeine Elektrizitäts-Gesellschaft Berlin. Remarks to an Expert Opinion Prepared for Mr. Sannig,” 16 January 1922 “An die allgemeine Elektrizitäts-Gesellschaft Berlin. Bemerkung zu einem Herren Sannig gelieferten Gutachten” 24. From Paul Ehrenfest, 17 January 1922 25. To Max Born and James Franck, 18 January 1922 26. To David Hilbert, 18 January 1922 27. To Arnold Sommerfeld, on or after 18 January 1922 28. “Response to the Expert Opinion of Hans Wolff in the Legal Dispute between Anschütz & Co and Kreiselbau,”18 January 1922 “Rückäusserung zu dem Wolffschen Gutachten in Sachen Anschütz contra Kreiselbau”