Columbia subject headings:
Harvard subject headings:
Communism--Korea--History--20th century.
Communists--Korea--History--20th century.
Korea--Politics and government--1910-1945.
Korean resistance movements, 1905-1945.
Socialism--Korea--History--20th century.
Princeton subject headings:
Communism--Korea--History--20th century.
Communism--Korea--Societies, etc.
Communist International--History--20th century.
Communist parties--Korea--History--20th century.
Korea--Politics and government--1910-1945.
Korean resistance movements, 1905-1945.
Socialism--Korea--History--20th century.