Handwörterbuch der Pharmakognosie des Pflanzenreichs Wittstein, Georg Christian, 1810-1887 creator text book Breslau E. Trewendt 1882 1882
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Preface dated 1883. Includes indexes. Botanical chemistry Materia medica, Vegetable Medicinal plants Pharmacognosy RS164.W57 1882 Encyklopaedie der Naturwissenschaften, Abt. 2, T. 2 https://www.biodiversitylibrary.org/bibliography/4314 7046759 10.5962/bhl.title.4314