Keywords: Liebig Lettres RGNb10348645.01.fp portrait Liebig.tif en Signed frontispiece portrait of Justus von Liebig as a young man from Lettres sur la chimie considérée dans ses applications à l'industrie à la physiologie et à l'agriculture by Justus von Liebig Paris Victor Masson Libraire des Sociétés Savantes Charpentier Editeur 1847 1839 Institution Chemical Heritage Foundation object history exhibition history credit line http //www chemheritage org/ Chemical Heritage Foundation accession number http //othmerlib chemheritage org/record b1034864~S6 QD39 L54314 1847 Roy G Neville Historical Chemical Library http //www chemheritage org/ Chemical Heritage Foundation Image downloaded with permission from the Chemical Heritage Foundation as part of the Wikipedian in Residence initiative CHF-cooperation PD-old-100 Justus von Liebig 1839 engraved portraits |