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HELGA WERLE
Chang Po-chieh : 'Ch'ao-chü Yüan-Liu Chi Li-shih Yen-ke', in Ch'ao-chü Yin-Yueh, Canton, 1956. MHAKAARST. NOTA 廣象。
Huang Hua-chieh : Chung-Kuo Ku-chin Min-chien Pai-hsi, Taiwan, 1967, Ren Ren Wen-k'u Series, No. 383.
Kuan Chün-che : Pei-ching Pi-ying-hsi, Peking, 1959.
Liu Fu-kuang : 'Ch'ao-chou Chih-ying-hsi Chien-chieh', Hong Kong Arts Centre Bulletin, Feb. 1974.
Sun Kai-ti : Kwei-lei-hsi K'ao-yüan, Shanghai, 1953.
Wu Ting-hung : Zhen-yang-yen mu-ou-hsi, Shanghai, 1954.
Where no sources are quoted, the statements made in the text are based on first-hand observation and interviews. H.W.
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