Austrian writers of the 18th and 19th centuries. ==References== About 44 autographs. Mostly personal letters, maps or manuscripts. - Available: Ignaz Machanek (1825-1903), Dr. Märzroth (d. i. Moritz Barach, 1818-1888), Johann Nepomuk Mahl-Schedl von Alpenburg (1806-1873), Richard March (1850-1897), Friedrich Marx (1830-1905, 2), Joseph Karl Maurer (1834-1902), Ludwig Ritter von Mertens (1826-1909), Gotthelf Meyer (1844-), Josef Mitter, Carl Morre (1832-1897) Salomon Hermann Ritter v. Mosenthal (1821-1877), Guido Mosing (1812-), Friedrich August Müller (1767-1807, to Friedrich Nicolai), Adam Müller-Guttenbrunn (1852-1923, 2), Anton August Naaf (1850-1918), Erik Nessl (1831-1883), Franz Nissel (1831–1897), Johannes Nordmann (1820-1887, 2) and Josef Oppenheim (1811-1881), Franz Sartori (1782-1832), Richard Schaukal (1874-1942, 2); Victor Schembera (1841-), Ludwig Scheyrer (1811-1874), August Schilling von Henrichau (1815-1886), Mathias Leopold Schleifer (1771-1842), Sigmund Schlesinger (1832-1918), Friedrich Schlögl (1821-1892, 2), Franz von Schönthan (1849-1913), Paul von Schönthan (1853-1905, 2) Anton Schott (1866-1945), Eduard Maria Schranka (1850-1916), Amand von Schweiger-Lerchenfeld (1846-1910), Johann Gabriel Seidl (1804-1875), August Silberstein (1827-1900), Wilhelm Singer (1847-1917), Moritz Smets (1828-1890), Daniel Spitzer (1835-1893), Johann Sporschil (1800-1863).