Columbia subject headings:
China--Pictorial works.
Harvard subject headings:
China--History--19th century--Pictorial works.
China--Social life and customs--19th century--Pictorial works.
Photography--China--History--19th century--Pictorial works.
Princeton subject headings:
China--History--19th century--Pictorial works.
China--Social life and customs--19th century--Pictorial works.
Photography--China--History--19th century--Pictorial works.