Rideout) point to the growing influence of eunuchs in this period.--The
sources paint the pictures of the Empress Wu in very dark colours. A
more detailed study of this period seems to be necessary.

p. 180: The best study of "family privileges" (_yin_) in general is by
E. A. Kracke, _Civil Service in Early Sung China_, Cambridge, Mass. 1953.

p. 180-1: The economic importance of organized Buddhism has been studied
by many authors, especially J. Gernet, Yang Lien-sheng, Ch'uean
Han-sheng, K. Tamai and R. Michihata.

p. 182: The best comprehensive study on T'ang prose in English is still
E. D. Edwards, _Chinese Prose Literature of the T'ang Period_, London
1937-8, 2 vol. On Li T'ai-po and Po Chue-i we have well-written books by
A. Waley, _The Poetry and Career of Li Po_, London 1951 and _The Life
and Times of Po Chue-i_, London 1950.--On the "free poem" (_tz'u_), which
technically is not a free poem, see A. Hoffmann and Hu Shih. For the
early Chinese theatre, the classical study is still Wang Kuo-wei's
analysis, but there is an almost unbelievable number of studies
constantly written in China and Japan, especially on the later theatre
and drama.

p. 184: Conditions at the court of Hsuean Tsung and the life of Yang
Kui-fei have been studied by Howard Levy and others, An Lu-shan's
importance mainly by E. G. Pulleyblank, _The Background of the Rebellion
of An Lu-shan_, London 1955.

p. 187: The tax reform of Yang Yen has been studied by K. Hino; the most
important figures in T'ang economic history are Liu Yen (studied by Chue
Ch'ing-yuean) and Lu Chih (754-805; studied by E. Balazs and others).

p. 187-8: The conditions at the time of this persecution are well
described by E. O. Reischauer, _Ennin's Travels in T'ang China_, New York
1955, on the basis of his _Ennin's Diary. The Record of a Pilgrimage to
China_, New York 1955. The persecution of Buddhism has been analysed in
its economic character by Niida Noboru and other Japanese
scholars.--Metal statues had to be delivered to the Salt and Iron Office
in order to be converted into cash; iron statues were collected by local
offices for the production of agricultural implements; figures in gold,
silver or other rare materials were to be handed over to the Finance
Office. Figures made of stone, clay or wood were not affected
(Michihata).

p. 189: It seems important to note that popular movements are often not
led by simple farmers or members of the lower classes. Ther