ALPHABETICAL LIST OF CORRESPONDENCE In this alphabetical list of texts, the number following each date is the document number. Documents abstracted in the Calendar of Abstracts are indicated by the abstract number, followed by the letter “C.” Documents written by Einstein, or by his secretary on his behalf, are indicated by the letter “E.” Abderhalden, Emil 18 July 1928 640 C 1 August 1928 646 C Academic Council and the Board of Governors of the Hebrew University 29 May 1928 201 E Acevedo, Juan Carlos 30 April 1925 Vol. 14, 677a CE Adler, Friedrich 25 June 1927 37 C “Akademia” Korrespondenzbüro 5 November 1928 737 C 25 November 1928 764 CE Alexander, Alfred 27 April 1926 Vol. 15, 267a E Alexander von Humboldt-Stiftung 18 March 1929 1032 CE Allen, Frank 5 January 1928 371 C 25 January 1928 408 CE Allgemeine Elektrizitäts-Gesellschaft 2 November 1927 233 C Amateur Astronomers Association before 9 April 1929 486 E American Jewish Physicians Committee after 14 March 1929 1001 CE Amerika-Institut 17 April 1929 1114 C Anonymous Jew 14 March 1929 983 C Anschütz Co. 14 March 1929 984 C Apel, Max 28 June 1928 614 C 30 June 1928 618 CE Apfel, Alfred 9 September 1927 120 C Arbeiter-Kinderheim Barkenhoff 6 March 1929 937 C Arco, Georg Count von 15 November 1927 88 19 November 1927 90 E 17 October 1928 696 C Association of Free Socialist Youth 14 June 1928 220 E Assoziation Russischer Physiker 4 June 1928 583 CE Audorf, Richard 3 October 1927 170 C 5 October 1927 178 CE 12 October 1927 196 C