Keywords: Wilhelm Voss 1901 Th. Mayerhofer.png Wilhelm Voss 1849-1895 m AT botanist teacher http //books google com/books id jlgYAAAAYAAJ pg PA166-IA1 Wilhelm Voss In Botanik und Zoologie in Österreich in den Jahren 1850 bis 1900 Wien Alfred Hölder 1901 after p 166 Creator Theodor Mayerhofer by 1901 PD-old-auto-1923 1941 Wilhelm Voss Theodor Mayerhofer |