Columbia subject headings:
Hoover Institution on War, Revolution, and Peace--Catalogs.
Underground literature--China--Bibliography--Catalogs.
Harvard subject headings:
Hoover Institution on War, Revolution, and Peace--Catalogs.
Underground literature--China--Bibliography--Catalogs.
Princeton subject headings:
Hoover Institution on War, Revolution, and Peace--Catalogs.
Underground literature--China--Bibliography--Catalogs.