inscribed and signed in Chinese (upper right)
one seal of the artist
Retrospective Exhibition of Yu Chengyao's Works,
Taiwan Province Museum of Art, Taichung, Taiwan,
1999 (illustrated, p. 148).
Three Masters of Art Calligraphy and Paintings by
Yu Chen-yao, Shen Yao-chu, and Zhen Shan-xi,
National Museum of History, Taipei, Taiwan, 2013
(illustrated, pp. 106-107).