Koh, TaeJin, and Alexander Pereverzev. “Nicholas Roerich’s Himalayas As the ‘Treasury of Spirit’”. RESEARCH REVIEW International Journal of Multidisciplinary 7, no. 7 (July 15, 2022): 106–111. Accessed March 18, 2025. http://www.rrjournals.com/index.php/rrijm/article/view/242.