sum of money, which he used to buy a house in Krippen, Germany. Towards the end of his life a fair sum of money was collected for him in various countries, enough for a worry-free retirement, and he also received several awards in recognition of his invention. Bibliography Beneke, Klaus. Friedrich Gottlob Keller - Erfinder des Holzschleifers (27.06.1816 Hainichen (Sachsen) - 08.09.1895 Krippen bei Schandau (Sachsen)) Digitalisat (pdf, 196 kb) Gemeinde Krippen (Hg.): 1379-1979. 600 Jahre Krippen. Heimatkundlicher Lehrpfad durch Krippen, Pirna 1979 Sittauer, H. L. Der Papiermüller von Kühnhaide, Berlin 1980 Sittauer, H. L. Friedrich Gottlob Keller. Biographien hervorragender Naturwissenschaftler, Techniker und Mediziner Bd. 59, Leipzig 1982 Burger, Peter. Charles Fenerty and his Paper Invention. Toronto: Peter Burger, 2007. Koops, Matthias. Historical account of the substances which have been used to describe events, and to convey ideas, from the earliest date, to the invention of paper. London: Printed by T. Burton, 1800. Pönicke, Herbert. “Keller, Friedrich Gottlob”. Neue Deutsche Biographie. Berlin: Duncker & Humblot, 1977. Schlieder, Wolfgang. Der Erfinder des Holzschliffs Friedrich Gottlob Keller. Leipzig, Germany: VEB Fachbuchverlag Leipzig, 1977. Sittauer, Hans L. Friedrich Gottlob Keller. Leipzig: BSB B.G. Teubner Verlagsgesellschaft, 1982. Walther Killy and Rudolf Vierhaus. “Keller, Friedrich Gottlob”. Deutsche Biographische Enzyklopädie. Munich: Die Deutsche Bibliothek, 1997. See also History of printing References External links Kellerbrunnen in Hainichen 1816 births 1895 deaths People from Hainichen, Saxony People from the Kingdom of Saxony Papermakers 19th-century German inventors Industrial history of Germany