Columbia subject headings:
Beijing (China)--History--Siege, 1900.
China--History--Boxer Rebellion, 1899-1901--Pictorial works.
Harvard subject headings:
China--History--Boxer Rebellion, 1899-1901--Pictorial works.
Princeton subject headings:
Beijing (China)--History--Siege, 1900--Pictorial works.
China--History--Boxer Rebellion, 1899-1901--Pictorial works.