Mach, Ernst

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The file contains: 55 letters, 33 postcards, and 9 calling cards with notes, some written by hand and many typed. They were written in Prag (24.4.1895), Wien (26.9.96, 30.9.96, 16.10.96, 27.III.97, 6.III.97, 3.IV.97, 1.VIII.97, 12.XII.97, 26.I.98, 10.VI.1900, 26/3.1901, 18.IV.01,7.10.01, 15.XII.01, 20.VIII.1902, 17.XII.02, 22.XII.02, II.III.1903, 2.VI.03, 2.II.04, 16.V.1904, 19.VI.05, 1.IX.05, 10.III.06, 14.VI.06, 10.VII.06, 19.VII.06, 12.III.07, 18.VI.07, 12.VII.07, 5.IX.07, 18.IX.07, 7.XII.07, 21.II.08, 18.X.08, 27.X.08, 10.IV.09, 5.V.09, 21.XII.09, 16.V.10, 1.IX.10, 9.III.11, 15.III.10, 20.III.11, 19.IV.10, 4.VII.11, 15.VIII.11, 23.VIII.10, 7.XII.11, 5.I.12, 12.I.12, 14.I.12, 21.I.12, 12.III.12, 12/IV.12, 20.V.12, 26.V.12, 24.VI.12, 11.VII.12, nov. 12, 14.XII.1912, 16.V.13), and Munich (30.V.13, 8.VI.13, 19.Jun1913, 2.VII.13, 11.VII.13, 17.VII.13, 7.VIII.13, 4.VIII.13, 25.IX.13, 2.I.1914, 4.II.14, 16.II.1914, 19.III.1914, 28.III.14, 3.IV.14, 14.IV.14, 10.V.1914, 15.VI.14, 24.VII.1914, 3. August 1914, 10.VIII.1914, 10. März 1915, 28. März 1915, 5. April 1915, 20. Juli 1915, 1. Juli 1915, 9. August 1915, 16. August 1915, 22. Nov.1915), and are addressed to several different residential addresses that Wilhelm Jerusalem lived at. The letters deal with philosophical and academic topics, publications, books that Wilhelm Jerusalem sent to Mach, notes asking to borrow a certain book. They also mention their families, including a letter of condolence at the loss of one of Wilhelm Jerusalem's children (Flora) in 1907. Mentioned are Popper and his health problems, Goldscheid, Lieben, Wallaschek. Included is also a letter from Wilhelm Braumüller to Mach in regard to a publication, Mach wrote a message to Wilhelm Jerusalem on its back and sent it on. Included are also two later envelopes that Edmund Jerusalem used for storing the letters and a copy of Österreichische Rundschau XLVI. Heft 5, dated March 1, 1916 with an article of Wilhelm Jerusalem about Ernst Mach.