Die Coca. Ihre Geschichte, geographische Verbreitung und wirtschaftliche Bedeutung. Dissertation.
Berlin 1917. (4) + 78 pp. + 1 folding map. Library stamp. Back a bit worn. The Coca plant belong to the family Erythroxylaceae and is important in Bolivia and Peru. It plays a significant role in many traditional Andean cultures and is best known for its psychoactive alkaloid, cocaine. [A1218]