LIEBIG, Justus, Frieherr von (1803-1873). Die Organische Chemie in ihrer Anwendung auf Agricultur und Physiologie, Brunswick: Friedrich Vieweg, 1840, 8°, FIRST EDITION, half-title (with embossed library stamp), title, 1 leaf errata at end (dampstain to upper margin), contemporary marbled boards (disbound) [PMM 310a] -- Albrecht Daniel THAER. Beschreibung der nutzbarsten neuen Ackergeräthe, Hanover: Hahn, 1803-6, 3 parts in 1 volume, 4°, titles, 27 engraved plates (text spotted), contemporary marbled boards (rubbed) -- Oeconomia Forensis oder kurzer Inbegriff derjenigen Landwirthschaftlichen Wahrheiten, Berlin: 1775-1784, 8 volumes, 4°, engraved title vignettes (with peforation stamps), folding tables, modern library cloth, t.e.g. Provenance: JCL; and another work by Thaer on agriculture (defective). The lot sold not subject to return. (13)