The plant between sun and earth, and the science of physical and ethereal spaces - Adams, George; Whicher, Olive; Pfeiffer, Ehrenfried (Boulder, Colorado Shambhala Publications, Inc., 1982)
Previous edition published as: The plant between sun and earth. Clent, Stourbridge : Goethean Science Foundation, 1952.
Includes bibliographical references and index.
Keywords: Goethe, Johann Wolfgang von -- 1749-1832 -- Knowledge -- Science; Steiner, Rudolf -- 1861-1925 -- Philosophy; Plant morphology; Geometry, Projective