Han Chinese at the Hanlin Academy studied the Manchu language in the Qing. The Han Chinese Hanlin graduate Qi Yunshi knew the Manchu language and wrote a book in Chinese on the frontier regions of China by translating and using the Grand Secretariat's archives Manchu-language sources. Hanlin Academy in 1740 expelled the Han Chinese Yuan Mei for not succeeding in his Manchus studies. Injišan, and Ortai, both Manchus, funded his work. The Han Chinese Yan Changming had the ability to read Tibetan, Oirat, and Mongolian. Han Chinese officials learned languages on the frontier regions and Manchu in order to be able to write and compile their writings on the region.