Sobolev Andrey Petrovich – President of the Roerich Research Foundation member of the Association of Art Critics, Union of Writers Leningrad region and St. Petersburg (Russia, St. Petersburg)
- Newsletter. N. Roerich's gift to the Theosophical Center in Adyar
I International Theosophical Congress. November 17-19, 2017 - St. Petersburg, Russia
