Chinese archaeology and ancient culture.
Bibliography of Studies of Xia History and Xia Culture (Hong Kong, 1990)
“The Bamboo Annals’ Passage ‘The Day Dawned Twice’: A Record of Sunrise Eclipse of April 21, 899 B.C.,” Bulletin of the American Astronomy Society (1986)
Oracle Bone Collections in the U.S. (Univ. of California Press, 1976)