http://w4r7ow7g7qj2mpbjqfoqgjzl442caal62mi3wcml7rwdsyfahydh2zqd.onion/course/7649/rudolf-steiners-biodynamics
Agriculture: A Course of Lectures Held at Koberwitz, Silesia, June 7 to June 16, 1924 by Rudolf Steiner In this remarkable series of lectures, delivered in 1924, Rudolf Steiner first laid down the principles of biodynamic agriculture.