Columbia subject headings:
China--History--Sources--Bibliography.
Working class--China--History--Sources--Bibliography.
Harvard subject headings:
Communism--China--History--Bibliography--Catalogs.
Hoover Institution on War, Revolution, and Peace--Bibliography--Catalogs.
Labor unions--China--History--Bibliography--Catalogs.
Working class--China--History--Bibliography--Catalogs.
Princeton subject headings:
China--History--Sources--Bibliography.
Hoover Institution on War, Revolution, and Peace. East Asian Collection--Catalogs.
Labor movement--China--History--Sources--Bibliography.