 After Urga had been liberated from Baron Ungern's troops in the same year, Tseveen founded the Institute of Scriptures and Manuscripts ("Sudar Bichgiyn Hüreelen"), forerunner of the Mongolian Academy of Sciences.A library was established, and in 1924 a museum was opened.In 1925 he travelled to Leningrad, and in 1926 he married Badmajab Tsedenovna, who was also a Buryat from Aginsk.