… led to her major work, “Monarchs and Ministers: The Grand Council in Mid-Ch’ing China, 1723-1820.” Peter Perdue, a … at Yale, described her death as “a great loss for Qing studies.” “When I first went to Taiwan to work on Qing … materials in 1979, Betsy Bartlett was there, famed as the senior guru of the Palace Museum researchers, an invaluable …