Köhler's Medizinal-Pflanzen - Herbs Botany Botanica Herbal - All 4 Vols on DVD
The work was first published in the late 19th century by Franz Eugen Köhler of Gera. Among the additions are 80 more colour plates. The botanical illustrators were Walther Otto Müller, C. F. Schmidt, and K. Gunther.