Columbia subject headings:
Komitet Obrony Robotników.
Komitet Samoobrony Społecznej KOR.
Opposition (Political science)--Poland.
Strikes and lockouts--Poland.
Working class--Political activity--Poland.
Harvard subject headings:
Komitet Obrony Robotników.
Komitet Samoobrony Społecznej KOR.
Opposition (Political science)--Poland.
Strikes and lockouts--Poland
Working class--Poland--Political activity.
Princeton subject headings:
Komitet Obrony Robotników.
Komitet Samoobrony Społecznej KOR.
Opposition (Political science)--Poland.
Strikes and lockouts--Poland.
Working class--Political activity--Poland.