Columbia subject headings:
Harvard subject headings:
Calligraphy, Chinese.
Yan, Zhenqing, 709-785. You Tang Fuzhou Nancheng xian Ma gu shan xian tan ji.
Princeton subject headings:
Calligraphy, Chinese.
Yan, Zhenqing, 709-785. You Tang Fuzhou Nancheng Xian Magu Shan xian tan ji.