The term astral is used in anthroposophy to describe everything that belongs to the soul or astral world. The astral Condition of Form is the third Condition of Form of the seven Conditions of Form that each Condition of Life passes through during world evolution. The astral Condition of Form finds its higher counterpart in the fifth Condition of Form, the so-called Plastic Condition of Form.
- Rudolf Steiner: Bewußtsein Leben Form. Grundprinzipien der geisteswissenschaftlichen Kosmologie., GA 89 (2001) English: rsarchive.org German: pdf pdf(2) html mobi epub archive.org
- Rudolf Steiner: Die Apokalypse des Johannes, GA 104 (1985), ISBN 3-7274-1040-X English: rsarchive.org German: pdf pdf(2) html mobi epub archive.org
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Index to the Complete Works of Rudolf Steiner - Aelzina Books
A complete list by Volume Number and a full list of known English translations you may also find at Rudolf Steiner's Collected Works
Rudolf Steiner Archive - The largest online collection of Rudolf Steiner's books, lectures and articles in English (by Steiner Online Library).
Rudolf Steiner Audio - Recorded and Read by Dale Brunsvold
steinerbooks.org - Anthroposophic Press Inc. (USA)
Rudolf Steiner Handbook - Christian Karl's proven standard work for orientation in Rudolf Steiner's Collected Works for free download as PDF.