International Forum for Steiner/Waldorf Education (Hague Circle)
International platform for Waldorf Steiner Education
Association for Waldorf Schools in Germany
European Council for Steiner Waldorf Education
Friends of Waldorf Education
Internationale Vereinigung der Waldorfkindergärten
International Association for Waldorf Pedagogy in Middle and Eastern Europe and other Eastern Countries
Association for Steiner Schools in Switzerland
Association for Waldorf Schools in Austria 
International Association for Steiner / Waldorf Early Childhood Education
Institut for Practical Research Switzerland
Internetportal Anthroposophy
Publishing House at Goetheanum: more research papers on education
100 years Waldorf Education