楞嚴經
The Qianlong Emperor and the Third Changkya Khutukhtu, the traditional head tulku of the Gelug lineage of Tibetan/Vajrayana Buddhism in Inner Mongolia, believed in the authenticity of the Śūraṅgama Sūtra. They later translated the Śūraṅgama Sūtra into the Manchu language, Mongolian and Tibetan.(see translations)