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Edlund, Erik, 1819-1888. Autograph letter signed : Stockholm, to Wilhelm von Beetz, 1876 Mar. 9.
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Pierpont Morgan Library. |
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Buff, Johann Heinrich, 1805-1878. Autograph letter signed : Giessen, to Wilhelm von Beetz, 1860 Jan. 4.
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Pierpont Morgan Library. |
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| creatorOf |
Buys Ballot, C. H. D. (Christopher Hendrik Dirk), 1817-1890. Autograph letter in German signed : Utrecht, to Wilhelm von Beetz, 1852 July 28.
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Pierpont Morgan Library. |
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Wiedemann, Gustav Heinrich, 1826-1899. Autograph letter signed : Leipzig, to Wilhelm von Beetz, ca. 1872.
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Pierpont Morgan Library. |
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Mach, Ernst, 1838-1916. Autograph letter signed : Prague, to Wilhelm von Beetz, 1876 July 11.
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Pierpont Morgan Library. |
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Magnus, Heinrich Gustav, 1802-1870. Autograph letter signed : Berlin, to Wilhelm von Beetz, 1860 Sept. 28.
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Pierpont Morgan Library. |
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Zöllner, Johann Karl Friedrich, 1834-1882. Autograph letter signed : Leipzig, to Wilhelm von Beetz, 1872 Dec. 8.
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Pierpont Morgan Library. |
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Toepler, August Joseph Ignaz, 1836-1912. Autograph letter signed : Graz, to Wilhelm von Beetz, 1872 Jul. 2.
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Pierpont Morgan Library. |
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Karsten, Gustav, 1820-1900. Autograph letter signed : Kiel, to Wilhelm von Beetz, 1870 May 8.
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Pierpont Morgan Library. |
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Waltenhofen, Adalbert von, 1828-1914. Autograph letter signed : Prague, to Wilhelm von Beetz, 1876 Apr. 30.
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Pierpont Morgan Library. |
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Knoblauch, Karl Hermann, 1820-1895. Autograph letter signed : Halle, to Wilhelm von Beetz, 1876 Oct. 5.
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Pierpont Morgan Library. |
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Clausius, R. (Rudolf), 1822-1888. Autograph letters signed : Bonn, to Wilhelm von Beetz, 1861 Nov. 2 and 1877 Oct. 21.
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Pierpont Morgan Library. |
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Wüllner, Friedrich Hugo Anton Adolph, 1835-1908. Autograph letter signed : Aachen, to Wilhelm von Beetz, 1877 Jul. 12.
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Pierpont Morgan Library. |
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Kirchhoff, G. (Gustav), 1824-1887. Autograph letters signed (2) : Heidelberg and Berlin, to Wilhelm von Beetz, 1872 Jun. 14 and 1877 May 14.
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Pierpont Morgan Library. |
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Kundt, August, 1839-1894. Autograph letter signed : Strasbourg, Germany, to Wilhelm von Beetz, 1873 June 23.
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Pierpont Morgan Library. |
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Riess, Peter Theophil, 1804-1883. Autograph letter signed : [Berlin], to Wilhelm von Beetz, 1861 Mar. 27.
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Pierpont Morgan Library. |
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Paalzow, Adolph, 1823-1908. Autograph letter signed : Bad Tölz, to Wilhelm von Beetz, 1877 May 13.
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Pierpont Morgan Library. |
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Kohlrausch, Friedrich Wilhelm Georg, 1840-1910. Autograph letter signed : Würzburg, to Wilhelm von Beetz, 1876 Jan. 20.
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Pierpont Morgan Library. |
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Lommel, Eugen Cornelius Joseph von, 1837-1899. Autograph letter signed : Erlangen, to Wilhelm von Beetz, 1869 May 30.
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Pierpont Morgan Library. |
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Hagenbach, Eduard, fl. 1871. Autograph letter signed : Basel, to Wilhelm von Beetz, 1871 Dec. 2.
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Pierpont Morgan Library. |
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Quincke, Georg Hermann, 1834-1924. Autograph letter signed : Heidelberg, to Wilhelm von Beetz, 1875 Dec. 30.
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Pierpont Morgan Library. |
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Feddersen, Berend Wilhelm, 1832-1918. Autograph letter signed : Leipzig, to Wilhelm von Beetz, 1873 Oct. 16.
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Pierpont Morgan Library. |
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Jolly, Philipp von, 1809-1884. Autograph letter signed : Munich, to Wilhelm von Beetz, 1871 Jul. 31.
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Pierpont Morgan Library. |
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