. Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches. Botany, Economic. i) Wiesner, Gummi und Harze, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wiesner, Julius, Ritter von, 1838-1916. Leipzig : W. Engelmann

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Keywords: ., bookcentury1900, bookdecade1910, bookp, booksubjectbotanyeconomic