Second Scientific Lecture-Course: Warmth (Lectures Section)

The Second Scientific Lecture-Course: Warmth Course (The Theory of Heat) — This publication is intended for those with a serious interest in the extension of modern scientific ideas about the physical sciences.
Link: http://wn.rudolfsteinerelib.org/Lectures/WarmthCrse/WrmCrs_index.html

Macrocosm and Microcosm (Lectures Section)

The human being’s life alternates between the great outer macrocosm and the hidden inner microcosm. Steiner discusses the different paths of development that lead to crossing these two thresholds.
Link: http://wn.rudolfsteinerelib.org/Lectures/MacroMicro/MacMic_index.html

Philosophy, Cosmology and Religion (Lectures Section)

This cycle focuses on exercises to attain higher spiritual development. Steiner gives a description of philosophy based on Imagination, cosmology based on Inspiration, and religion based on Intuition. This is followed by a rich account of the stages of sleep and the period between death and rebirth, especially the role of Christ after death as revealed to spiritual cognition.
Link: http://wn.rudolfsteinerelib.org/Lectures/PhilCosRel/PhCoRe_index.html

The Human Soul and the Animal Soul; The Human Spirit and the Animal Spirit (Lectures Section)

This is the 3rd and 4th of 15 lectures given by Rudolf Steiner at Berlin, in November, 1910. The title of the series of lectures is: Spiritual Science’s Answer to the Large Questions of the Present Time. They were published in German as: Antworten der Geisteswissenschaft Auf Den Grossen Fragen des Daseins. The lecture was transcribed from a typescript version, and the translators are D. S. Osmond and V. E. Watkin. It is presented here with the kind permission of the Rudolf Steiner Nachlassverwaltung, Dornach, Switzerland. From GA# 60.
Link: http://wn.rudolfsteinerelib.org/Lectures/HumAnimal/HumAni_index.html