David Adams, "Rudolf Steiner's First Goetheanum as an Illustration of Organic Functionalism", The Journal of the Society of Architectural Historians, 51(2), 182-204, June 1992. Abstract
Rudolf Steiner, Ways to a New Style in Architecture, five lectures given at Dornach, Switzerland during the building of the First Goetheanum, 1914. Also published as Architecture as a Synthesis of the Arts, 1999, ISBN 1-85584-057-X
web.archive.org
Eugene Santomasso, Origins and Aims of German Expressionist Architecture: An essay into the expressionist frame of mind in Germany, especially as typified in the work of Rudolf Steiner, Ph.D. dissertation, Columbia University, 1973, AAT 7616368. Dissertation extract