"Worshiping the ancestors: Chinese commemorative portraits", Stanford University Press, 2001, ISBN 0-8047-4263-4, ISBN 978-0-8047-4263-4* Syndicus, Eduard; "Early Christian Art"; Burns & Oates, London, 1962* Taylor, R. E. "The Shaft Tombs of Western Mexico: Problems in the Interpretation of Religious Function in Nonhistoric Archaeological Contexts.
"Worshiping the ancestors: Chinese commemorative portraits", Stanford University Press, 2001, ISBN 0-8047-4263-4, ISBN 978-0-8047-4263-4*Syndicus, Eduard; "Early Christian Art"; Burns & Oates, London, 1962* Taylor, R. E. "The Shaft Tombs of Western Mexico: Problems in the Interpretation of Religious Function in Nonhistoric Archaeological Contexts.