Ming and Qing Dynasties in Beijing and Shenyang Imperial Tombs of the Ming and Qing Dynasties Incense Route - Desert Cities in the Negev Independence Hall
0-06-015612-0 Bedini, Silvio A. (1994). The Trail of Time : Time Measurement with Incensein East Asia. England: Cambridge University Press. ISBN 0521374820. Chamberlin