Giorgio Vasari, On Technique, Publisher: Dover Art Instruction, 1999
Giorgio Vasari, Vasari's Lives of the Artists: Giotto, Masaccio, Fra Filippo Lippi, Botticelli, Leonardo, Raphael, Michelangelo, Titian, first published 1550. Publisher: Courier Corporation, 2005
Wassily Kandinsky, Concerning the Spiritual in Art, originally published 1912. Publisher: Martino Publishing
Paul Klee, Notebooks: The Thinking Eye, Volume I. Publisher: Publisher: Lund Humphries, London, 1969
Paul Klee, Notebooks: The Nature of Nature, Volume II. Publisher: Publisher: Lund Humphries, London, 1973, Both Notebooks available online at: ArchDaily
Hans Sedlmayr, Art in Crisis: The Lost Centre, First Edition 1958. Publisher: Routledge, 2017
Noel Cobb, Archetypal Imagination, Glimpses of the Gods in Life and Art. Publisher: Floris Books, 2020
John Fletcher, Art Inspired by Rudolf Steiner: An Illustrated Introduction. Publisher Mercury Arts Publications, 1987
Peter Stebbing, The Goetheanum Cupola Motifs of Rudolf Steiner. Publisher: Steiner Books Inc. 2011
Peter Stebbing, Conversations About Painting with Rudolf Steiner: Recollections of Five Pioneers of the New Art impulse. Publisher: Steiner Books Inc. 2009
Hilma af Klimt, Notes and Methods. Publisher: University of Chicago Press, 2018
Tracey Bashkoff (ed.), Hilma af Klimt: Paintings for the Future. Publisher: Guggenheim Museum Publications, 2018
Sophia Caramanoff, The Life and Work of Janet Faith Jordan. Publisher: Wynstones Press, 2020
Van James, Spirit and Art: Picture of the Transformation of Consciousness. Publisher: Steiner Books, 2002
Dennis Klocek, Seeking Spirit Vision: Essays on Developing Imagination. Publisher: Rudolf Steiner Press, 1998
Steve Bass, Beauty, Memory, Unity: A Theory of Proportion in Architecture. Publisher: Floris Books, 2019
Aleida Assmann, and Rudolf Steiner, Rudolf Steiner and Contemporary Art, Exhibition Catalogue. Publisher: DuMont, 2010
Joseph Beuys, Edited and contributed by Volker Harlan, What is Art? Publisher: Clairview Books, 2004
Johann Wolfgang von Goethe, Theory of Colours, first published 1810. Publisher: MIT Press, 1970
Johann Wolfgang von Goethe, Goethe’s Theory of Colour Volume I. Publisher: The Mass. Institute of Technology, USA, 1973
Johannes Grebe-Ellis and Oliver Passon, Goethe’s Farbenlehre from the Perspective of Modern Physics. Publisher: Holistic Science, The Field Centre, In Dialogue, vol. 1 September 2020 pp. 50-59 (Article)
Arthur Schopenhauer, David E. Cartwright (ed.), On Vision and Colors. Publisher: Berg 3PL (first published 1816)
Hilde Boos-Hamburger, The Creative Power of Colour. Publisher: Mercury Arts Group, 1963
Rudolf Steiner, Maria Strakosch-Giesler, Conversations About Painting With Rudolf Steiner, translated by Peter Stebbing, Publisher: Steiner Books., 2008. Free download here
J.L. Benson, The Inner Nature of Color, Studies of the Philosophy of the Four Elements. Publisher: Steiner Books, 2004
David Lee, Nature’s Palette: The Science of Plant Colour. Publisher: University of Chicago Press, 2011, ISBN 9780226470535 or 9780226470528
Marcel Minnaerd, Light and Color in the Outdoors. Publisher: Springer, first published 1993
David K. Lynch and William Livingston, Color and Light in Nature. Publisher: Cambridge University Press, 2001 Robert Delaunay, Arthur A. Cohen (ed.), The New Art of Color. Publisher: Viking Books 1978
Hajo Dutching, Robert and Sonia Delaunay, The Triumph of Color. Publisher: Taschen, 1994
Cara Manes and Fatinha Ramos, Sonia Delaunay: A Life of Color, book for children. Publisher: Museum of Modern Art, 2017
Johannes Itten,The Art of Color: The Subjective Experience and Objective Rationale of Color. Publisher: John Wiley & Sons, 1974
Joseph Albers, Interaction of Color. Publisher: Generic 2013 (first published 1971)
Syme Patrick, Werner’s Nomenclature of Colours: Zoology, Botany, Chemistry, Mineralogy, Anatomy and the Arts: The book Charles Darwin used to describe colours in nature on his voyage on the HMS Beagle. Publisher: The Natural History Museum, ISBN-13 9780565094454
Nick Neddo, The Organic Artist: Make Your Own Paint, Paper, Pens, Pigments, Prints and more from Natur.Publisher: Quarry Books, 2015
Samual C. Rizzetta, Plant-Derived Pigments and Dyes Used By Artists (1965). Master's Theses. 4867. Publisher and available online at: Scholarworks
Daniel V. Thompson, The Materials and Techniques of Medieval Painting. Publisher: Dover Art Instruction, 2003
Cennio D’Andres, Craftsman’s Handbook. Publisher: Dover Art Instruction, 1954
Sandy Webster, Earthen Pigments: Hand-Gathering & Using Natural Colors in Art. Publisher: Schiffer Publishing Ltd (US), 2013
Lynn Edwards, Julia Lawless, Natural Paint Book: The Complete Guide to Natural Paints, Recipes and Finishes. Published by Kyle Cathie, 2002, ISBN 10: 1856264327, ISBN 13: 978185626432
Melo, M.J., Castro, R., Nabais, P. et al. The book on how to make all the colour paints for illuminating books: unravelling a Portuguese Hebrew illuminators’ manual. Herit Sci 6, 44 (2018). Publisher and available online at: Springer Open
Peter Stebbing (Hg.), The Art of Colour and the Human Form. Seven Motif Sketches of Rudolf Steiner, Studies by Gerard Wagner. Publisher: Dornach: Ita Wegman Institut; 2017
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