Columbia subject headings:
Harvard subject headings:
Calligraphy, Chinese--History--20th century
Calligraphy, Chinese--History--Ming-Qing dynasties, 1368-1912.
Hongyi, da shi, 1880-1942
Ma, Yifu, 1883-1967
Princeton subject headings:
Calligraphy, Chinese--History--20th century.
Hongyi, da shi, 1880-1942.
Ma, Yifu, 1883-1967.