 He published two chapters in volume 7 of "The Cambridge History of China", focusing on the history of the Ming dynasty.His contributions "The Cheng-Te Reign" and "The Chia-Ching Reign" (1988) were complemented by the more specialized studies "On the significance of the reign title Chia-ching" (1990) and "The Leopard Quarter during the Cheng-te reign" (1987), both in "Ming Studies".He published the latter in the Chinese language as "Ming Wuzong yu Baofang" (明武宗与豹房, 1988) in the "Palace Museum Journal" (故宫博物院院刊), an article taken very seriously by Chinese scholars.