<div class="fn value">
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span></div>
mid 8th century
Zhongguo gu dai shu hua jian ding zu (中国古代书画鑑定组). 1997. Zhongguo hui hua quan ji (中国绘画全集). Zhongguo mei shu fen lei quan ji. Beijing: Wen wu chu ban she. Volume 1.