I refer to numerous books, booklets, etc., at this Web site. Here's a list of most. For items not included here, see the citations I provide within my essays.
Herman V. Baravalle (Hermann von Baravalle) , WALDORF EDUCATION FOR AMERICA (Parker Courtney Press, 1998).
John Fletcher, ART INSPIRED BY RUDOLF STEINER (Mercury Arts Publications, 1987).
Mark Grant, “Steiner and the Humours: The Survival of Ancient Greek Science,” THE BRITISH JOURNAL OF EDUCATIONAL STUDIES, Vol. 47, No. 1 (Mar. 1999).
A.C. Harwood, PORTRAIT OF A WALDORF SCHOOL (The Myrin Institute Inc., 1956).
Sharon Lombard, “Spotlight on Anthroposophy,” CULTIC STUDIES, Vol. 2, No. 2. http://waldorfcritics.org/active/articles
Eugene Schwartz, MILLENNIAL CHILD: Transforming Education for the Twenty-First Century (Anthroposophic Press, 1999).
Eugene Schwartz, WALDORF EDUCATION: Schools for the Twenty-First Century (Xlibris Corporation, 2000).
Eugene Schwartz, “Waldorf Education — For Our Times or Against Them?”, November 13, 1999, transcript edited by Michael Kopp; http://waldorfcritics.org
Richard Seddon, THE FUTURE OF HUMANITY AND THE EARTH As Foreseen by Rudolf Steiner (The Temple Lodge, 2002).
Rudolf Steiner, AGRICULTURE: An Introductory Reader (Rudolf Steiner Press, 2003).
Rudolf Steiner, The APOCALYPSE OF ST. JOHN: Lectures on the Book of Revelation (SteinerBooks, 1977).
Rudolf Steiner, THE ARCHANGEL MICHAEL: His Mission and Ours (SteinerBooks, 1994).
Rudolf Steiner and Michael Howard, ART AS SPIRITUAL ACTIVITY: Rudolf Steiner's Contribution to the Visual Arts (SteinerBooks, 1998).
Rudolf Steiner, AT HOME IN THE UNIVERSE: Exploring Our Suprasensory Nature (SteinerBooks, 2000).
Rudolf Steiner, BEES (SteinerBooks, 1998).
Rudolf Steiner, COLOUR (Rudolf Steiner Press, 1996).
Rudolf Steiner, COSMIC MEMORY: Prehistory of Earth and Man (SteinerBooks, 1986).
Rudolf Steiner, THE DESTINIES OF INDIVIDUALS AND OF NATIONS (SteinerBooks, 1986).
Rudolf Steiner, EASTER: An Introductory Reader (Rudolf Steiner Press, 2007).
Rudolf Steiner, EDUCATION FOR ADOLESCENTS (Anthroposophic Press, 1996).
Rudolf Steiner, EVIL (Rudolf Steiner Press, 1997).
Rudolf Steiner, FACULTY MEETINGS WITH RUDOLF STEINER (Anthroposophic Press, 1998).
Rudolf Steiner, THE FIFTH GOSPEL: From the Akashic Record (Rudolf Steiner Press, 1995).
Rudolf Steiner, THE FOUNDATIONS OF HUMAN EXPERIENCE, Foundations of Waldorf Education (Anthroposophic Press, 1996).
Rudolf Steiner, FOUNDING A SCIENCE OF THE SPIRIT (Rudolf Steiner Press, 1999).
Rudolf Steiner, FROM BEETROOT TO BUDDHISM (Rudolf Steiner Press, 1999).
Rudolf Steiner, FROM SUNSPOTS TO STRAWBERRIES (Rudolf Steiner Press, 2002).
Rudolf Steiner, DIE GEISTIGEN HINTERGRÜNDE DES ERSTEN WELTKRIEGES (Rudolf Steiner Verlag, 1974).
Rudolf Steiner, HEALTH AND ILLNESS, Vol. 1. Lectures from 1922 (Anthroposophic Press, 1981).
Rudolf Steiner, INITIATION, ETERNITY AND THE PASSING MOMENT (SteinerBooks, 1980).
Rudolf Steiner, THE INTERIOR OF THE EARTH: An Esoteric Study of the Subterranean Spheres (Rudolf Steiner Press, 2007).
Rudolf Steiner, KARMIC RELATIONSHIPS, Vol. II (Rudolf Steiner Press, 1974).
Rudolf Steiner, KNOWLEDGE OF THE HIGHER WORLDS AND ITS ATTAINMENT (Anthroposophic Press, 1944 and SteinerBooks, 1947).
Rudolf Steiner, LIFE BETWEEN DEATH AND REBIRTH (SteinerBooks, 1985).
Rudolf Steiner, MAN IN THE PAST, THE PRESENT AND THE FUTURE (Rudolf Steiner Press, 1982).
Rudolf Steiner, THE MISSION OF THE FOLK SOULS (Rudolf Steiner Press, 2005: facsimile of 1970 edition).
Rudolf Steiner, OCCULT HISTORY (Rudolf Steiner Press, 1982).
Rudolf Steiner, THE OCCULT MOVEMENT IN THE NINETEENTH CENTURY (SteinerBooks, 1973).
Rudolf Steiner, OCCULT SCIENCE, An Outline (Rudolf Steiner Press, 2005).
Rudolf Steiner, AN OUTLINE OF ESOTERIC SCIENCE (Anthroposophic Press, 1997).
Rudolf Steiner, AN OUTLINE OF OCCULT SCIENCE (Kessinger, 2007: facsimile of 1922 edition by The Anthroposophical Literature Concern).
Rudolf Steiner, THE PRESENT AND FUTURE EVOLUTION OF THE WORLD AND OF HUMANITY (Kessinger, 2005: excerpted from THE OUTLINE OF OCCULT SCIENCE).
Rudolf Steiner, READING THE PICTURES OF THE APOCALYPSE (SteinerBooks, 1993).
Rudolf Steiner and Richard Seddon, RUDOLF STEINER (North Atlantic Books, 2004).
Rudolf Steiner, RUDOLF STEINER SPEAKS TO THE BRITISH (Rudolf Steiner Press, 1998).
Rudolf Steiner, RUDOLF STEINER IN THE WALDORF SCHOOL (Anthroposophic Press, 1996).
Rudolf Steiner, THE SECRET STREAM (Anthroposophic Press, 2001), p. 174.
Rudolf Steiner, SLEEP AND DREAMS (SteinerBooks, 2003).
Rudolf Steiner, THE SPIRITUAL FOUNDATION OF MORALITY (SteinerBooks, 1995).
Rudolf Steiner, THE SPIRITUAL HIERARCHIES AND THE PHYSICAL WORLD: Reality and Illusion (Rudolf Steiner Press, 1996).
Rudolf Steiner, THEOSOPHY OF THE ROSICRUCIAN (Rudolf Steiner Press, 1981).
Rudolf Steiner, UNDERSTANDING THE HUMAN BEING, contributor Richard Seddon (Rudolf Steiner Press, 1993).
Rudolf Steiner, THE UNIVERSAL HUMAN (Anthroposophic Press, 1990).
Rudolf Steiner, VOM LEBEN DES MENSCHEN UND DER ERDE (Verlag Der Rudolf Steiner-Nachlassverwaltung, 1961).
Rudolf Steiner, “Vom Wesen des Judentums”, DIE GESCHICHTE DER MENSCHHEIT UND DIE WELTANSCHAUUNGEN DER KULTURVOLKER, "Anthroposophy and the Question of Race" (English summary for the media): Council of the Anthroposophical Society in The Netherlands, Zeist/Driebergen, April 1, 2000.
Rudolf Steiner, A WESTERN APPROACH TO REINCARNATION AND KARMA (SteinerBooks, 1997).
Roy Wilkinson, RUDOLF STEINER ON EDUCATION (Hawthorn Press, 1993).
Roy Wilkinson, THE SPIRITUAL BASIS OF STEINER EDUCATION, The Waldorf School Approach (Sophia Books, The Rudolf Steiner Press, 1996).
Roy Wilkinson, TEACHING ENGLISH (Rudolf Steiner College Press, 1976, reprinted 1997).
Franz E. Winkler, MAN, THE BRIDGE BETWEEN TWO WORLDS (Harper & Row. 1970).
WORLD BOOK MULTIMEDIA ENCYCLOPEDIA, Mac OS X Edition, Version 6.0.2.
http://homepage.mac.com/nonlevitating/36.html
http://www.steinercollege.edu/waldorfed.html
http://waldorfcritics.org
http://www.waldorfgarden.org