Columbia subject headings:
Harvard subject headings:
China--History--1912-1928--Pictorial works.
China--History--Warlord period, 1916-1928--Pictorial works.
Politicians--China--Pictorial works.
Yuan, Shikai, 1859-1916--Pictorial works.
Princeton subject headings:
China--History--Warlord period, 1916-1928--Pictorial works.
Presidents--China--Pictorial works.
Yuan, Shikai, 1859-1916--Pictorial works.