Columbia subject headings:
Harvard subject headings:
Chŏn'guk Kyojigwŏn Nodong Chohap (Korea)
Teachers' unions--Asia--Cross-cultural studies.
Teachers' unions--Korea (South)--Case studies.
Teachers--Asia--Political activity--History--20th century.
Teachers--Korea (South)--Political activity--History--20th century.
Teachers--Political activity--Asia--History--20th century.
Teachers--Political activity--Korea (South)--History--20th century.
Princeton subject headings:
Education--Political aspects--Korea (South).
Teachers' unions--Korea (South).