Columbia subject headings:
Law enforcement--Poland.
Law enforcement.
Police--Poland.
Police.
Soviets (Councils)
Soviets (Councils)--Poland.
Harvard subject headings:
Law enforcement--Poland.
Poland. Milicja Obywatelska.
Poland. Rada Narodowa
Police--Poland
Princeton subject headings:
Law enforcement--Poland.
Law enforcement.
Police--Poland.
Police.
Soviets (Councils)
Soviets (Councils)--Poland.