Johann Wolfgang von Goethe, The Metamorphosis of Plants. Publisher: MIT Press, 2009 (first published 1790)
Henri Bortoft, The Wholeness of Nature: Goethe’s Way of Science. Publisher: Floris Books, 1996
Ernst Lehrs, Man or Matter: An Introduction to a Spiritual Understanding of Nature on the Basis of Goethe’s Method of Training Observation and Thought. Publisher: Rudolf Steiner Press, 2013
Ernst Lehrs, Man or Matter: An Introduction to a Spiritual Understanding of Nature on the Basis of Goethe’s Method of Training Observation and Thought. Publisher: Rudolf Steiner Press, 2013
Jochen Bockemühl, Awakening to Landscape. Publisher: Allgemeine Antrhophosohische Gesellschaft, Goetheanum, Naturwissenschaftliche Sektion, printed by Freiburg Graphischer Betrieb, copyright 1992
Jochen Bockemühl, In Partnership with Nature. Publisher: Steiner Books, 1996
David Lowe and Simon Sharp, Goethe and Palladio: Goethe’s study off the relationship between art and nature, leading through architectural to the discovery of the metamorphosis of plants. Publisher: Floris Books
Henri Bortoft, The Wholeness of Nature: Goethe’s Way of Science. Publisher: Floris Books, 1993
Peter Elsner, Metamorphosis in Nature and Art: The dynamic of form in plants, animals and human beings. Publisher: Hawthorn Press, 2013
Dorian Schmidt, Life Forces -Formative Forces Researching the formative energy of life and growth. Publisher: Hawthorn Press 2010
Baruch Luke Urieli, Hans Müller Wiedemann, Learning To Experience The Etheric World – Empathy, The after-Image And A New Social Ethic. Publisher: Temple Lodge, 1998
Ernst Marti, The etheric. Broadening science through anthroposophy, Volume I. Publisher: Temple Lodge Press, 2017
Lawrence Edwards, The Vortex of Life: Nature’s Patterns in Space and Time. Publisher: Floris Books 1993
Gerbert Grohmann, The Plant. Publisher: Rudolf Steiner Press, London, 1974
Wilhelm Pelikan, Healing Plants: Insights through Spiritual Science, Volume I-III. Publisher: Mercury press, Spring Valley, New York, 2000 and Wynstones Press
Wilhelm Pelikan, The Secrets of Metals. Publisher: Lindisfarne Books, 2006
George Adams and Olive Wicher: The Sun between Sun and Earth: And The Science of Physical and Etherical Spaces. Publisher: Rudolf Steiner Press, 1980
Jos Verhulst, Developmental Dynamics in Humans and Other Primates: Discovering Evolutionary Principles through Comparative Morphology. Publisher: Floris Books, 2005
David Donaldson, A Treasure of Plants, collection of poems. Publisher: Wynstones Press
Planetary Rhythms, A set of 14 postcards. Publisher: Wynstones Press
Planetary Rhythms: Geocentric and Heliocentric, A set of 10 postcards. Publisher: Wynstones Press
Beredene Jocelyn, Citizens of the Cosmos: Life's Unfolding from Conception Through Death to Rebirth.
Publisher: Steiner Books, 2009
Dennis Klocek, Weather and Cosmos. Publisher: Rudolf Steiner College Press, 1990
Dennis Klocek, Climate: Soul of the Earth. Publisher: Steiner Books 2010
Dennis Klocek, Sacred Agriculture: The Alchemy of Biodynamics. Publisher: Lindisfarne Books, 2013
Ernst Haeckel, Art Forms in Nature. Publisher: Dover Publications Inc. 2000, available at the Natural History Museum, London
Monique Pommier, Harmony: The Heartbeat of Creation, The Convergence of Ancient Wisdom and Quantum Physics in the Triune Pulse of Nature’s Forms. Publisher: Floris Books, 2020
Verena Stael von Holstein, interviewed and edited by Wolfgang Weirauch, Nature Spirits and What They Say. Publisher: Floris Books. 2003
Maria Thun, Gardening For Life: The Biodynamic Way. Publisher: Hawthorn Press, 1999
Llewellyn Vaughan-Lee, Spiritual Ecology - The Cry of the Earth. Publisher: The Golden Sufi Centre, 2014
Klaus-Peter Endres and Wolfgang Schad, Moon Rhythms in Nature: How Lunar Cycles Affect Living Organisms. Publisher: Floris Books, 2002
Lisa Michaels, Prescott Hill (Illustrator), Natural Rhythms: A Sacred Guide into Nature’s Creation Secrets. Publisher Michaels Hills Inc. 2009
Elizabeth Vreede, Anthroposophy and Astrology, letters by Elizabeth Vreede. Publisher: Anthroposophic Press 1921
Marko Pogačnik, Turned Upside Down: A Workbook on Earth Changes And Personal transformation. ISBN-13 9781584200253
Marko Pogačnik, Universe of the Human Body: With Gaia Touch Body Exercises. Publisher: Lindisfarne Press, ISBN-13: 9781584209867
Marko Pogačnik, Nature Spirits & Elemental Beings: Working with the Intelligence in Nature. Publisher: Findhorn Press, 2010
Marko Pogačnik, Sacred Geography – Geomancy: Co-creating the Earth Cosmos. Publisher: Lindisfarne Books, 2008
Peter Tompkins, The Secret Life of Nature. Publisher: Rupa, 2009
Peter Tompkins and Christopher Bird, The Secret Life of Plants: A Fascinating Account of the Physical, Emotional and Spiritual Relations Between Plants and Man. Publisher: Harper & Row Publishers, 1989
Verena Stael von Holstein, Nature Spirits and What they Say. Publisher: Floris Books, 2004
Verena Stael von Holstein, Nature Spirits of the Trees. Publisher: Floris Books, 2009
Verena Stael von Holstein, Thoughts that Shine Like Stars. Publisher: Flensburger Hefte Verlag, 2012, ISBN-13: 978 1477697030
Nature and Art therapy, Work in and with nature, Ecotherapy Margaret Colquhoun and Axel Ewald, New Eyes for Plants: A Work Book for Observation and Drawing Plants (Art & Science). Publisher: Hawthorn Press, 2000
Ed Bieber, What Color has the Wind. Publisher: Waldorf Publications, ISBN 13: 9780615532202
Dennis Klocek, Drawing from the book of Nature. Publisher: Rudolf Steiner College Publications, 1990
Diana Beresford-Kroeger, The Global Forest, 40 ways trees can save us. Publisher: Penguin, 2012
Diana Beresford-Kroeger, To Speak for the Trees: My Life’s Journey from Ancient Celtic Wisdom to a healing Vision of the Forest. Publisher: Random House Canada, 2019
Dieter Kotte, Qing Li, Won Sop Shin, Andreas Michalsen (editors), International Handbook of Forest Therapy. Publisher: Camebridge Scholar Publishing 2019
Ian Siddons Heginworth, Environmental arts therapies and the Tree of life. Publisher: Lulu.com, 2011
Ian Siddons Heginworth and Gary Nash (Editors), Environmental Arts Therapy, the Wild Frontiers of the Heart. Publisher: Routledge London 2020
Nick Totton, Wild Therapy: Undomesticating Inner and Outer Worlds. Publisher: PCCS Books, 2011
Roger Druitt, Observing Nature’s Secret: Practical Exercise for Perceiving Soul and Sprit. Publisher: Rudolf Steiner Press, 2018
Mimi Farrelly -Hansen, Spirituality and Art Therapy: Living the Connection. Publisher: Jessica Kingsley Publication, 2001
Adrian Anderson Living a Spiritual Year: Seasonal Festivals in Northern & Southern Hemispheres, an Esoteric Study. Publisher: Threshold Publishing, 2016
Andy McGeeney, With Nature in Mind: The Ecotherapy Manual for Mental Health Professionals. Publisher: Jessica Kingsley London, 2016
Nevin Harper, Kathryn Rose, David Segal, Nature Based Therapy, A Practitioner’s Guide to Working Outdoor with Children, Youth and Families, Publisher: New Society Publishers 2019
Lawrence Edwards, Projective Geometry, Monique Pommier, Harmony: The Heartbeat of Creation, The Convergence of Ancient Wisdom and Quantum Physics in the Triune Pulse of Nature’s Forms. Publisher: Floris Books, 2003
Martin Bernstein, An Introduction to Music. Publisher: Prentice Hall 1937, 1951, available at Lyre Association of North America
Michael Preston, Music from Around the World for Three-Part Recorder Ensembles. Publisher: Floris Books, 2018
Alexander Lauterwasser, Water Sound Images: The Creative Music of the Universe. Publisher: Floris Books, 2007
Armin Husemann, The Harmony of the Human Body: Musical Principles on Human Physiology. Publisher: Floris Books, 1994