Columbia subject headings:
Chinese--France--History.
World War, 1914-1918--Engineering and construction.
Harvard subject headings:
Chinese--Foreign countries
Chinese--France.
Great Britain. Army Chinese Labour Corps.
Labor and laboring classes--China.
Working class--China
World War, 1914-1918--China
World War, 1914-1918--Conscript labor--France.
Princeton subject headings:
Chinese--France--History.
World War, 1914-1918--Engineering and construction.