C A L E N D A R O F A B S T R A C T S 1 9 2 2 7 9 1 78. From [Bernard] Rosenbaum 12 February 1922 Repeats his offer (Abs. 42) that AE stay at his home during his visit at the Natur- forschende Gesellschaft in Danzig. “Annehmen” added in IE’s hand. TLS. [43 506]. 79. From Max Trautz 12 February 1922 Thanks the board of directors of the KWIP for the 3,000 M for the investigation of spe- cific heat of gases. ALS (GyBP, I. Abt., Rep. 34, Nr. 11, Mappe Trautz). [77 649]. 80. To Hans Ludendorff 14 February 1922 Has read three documents. Regarding §2 of the statutes of the board of trustees of the Astrophysical Observatory, remarks that its decisions be signed by at least three mem- bers. Returns signed communication on eclipse expedition. TLC. [11 255]. 81. From Edwin Deller 14 February 1922 Acknowledges AE’s letter dated 10 February 1922 recommending George Jeffery for professorship of mathematics at the University of London. TLS. [13 439]. 82. To Donald H. Cohen 15 February 1922 Thanks for being elected honorary member of the Maccabean Club. TLC. [44 362]. 83. IE to Vieweg 15 February 1922 Acknowledges receipt of Abs. 75. Sends requests for translations of Einstein 1917a into Latvian and Czech. Proposes to pay the Czech translator a quarter of AE’s and the pub- lisher’s earnings. TLC. [42 130]. 84. From Teubner 15 February 1922 Received AE’s letter of 29 December 1921 (Vol. 12, Calendar) refusing to grant Teubner the translation rights for his papers in Lorentz et al. 1922. The other authors have granted permission and ask AE to reconsider, in the other authors’ interest as well. Offers half the royalties to the three authors. TLS. [41 1094]. 85. To PAW 16 February 1922 Together with Gustav Müller, Johann Hellmann, Walther Nernst, and Heinrich Rubens, recommends Hans Ludendorff as ordinary member of the physical-mathematical class of PAW, noting his contributions to star spectroscopy, particularly the radial velocity and course of spectroscopic binary stars. ADS (GyBAW, II-III, Bd. 39, Bl. 138–139). [79 347]. 86. To Teubner 16 February 1922 Reiterates his refusal to grant translation rights to any of his works. Will arrange editions with foreign publishers himself. Dft in IE’s hand. [41 1095]. 87. From Maurice Solovine 18 February 1922 Gauthier-Villars has sent Paul Ehrenfest an overview of the number of copies sold of the French edition of Einstein 1920j and 1921c, as well as a royalty statement. For Gauthier- Villars to actually pay the royalties, AE must acknowledge receipt of the notification. Asks when he will receive the manuscript of Einstein 1922c, so he can begin with its translation. AKS. [21 162]. 88. From Methuen 22 February 1922 Asks whether AE wishes to make corrections to new English edition of Einstein 1917a. Sales are still high. TLSC. [67 982]. 89. To Maurice Solovine 23 February 1922 Has sent the manuscript of Einstein 1922c. Asks that Solovine wait with publication of the translation until the lectures have been published in the U.S. and he has given his