Columbia subject headings:
Communism--Czech Republic--Prague.
Prague (Czech Republic)--History.
World War, 1939-1945--Underground movements--Czech Republic--Prague.
Harvard subject headings:
Komunistická strana Československa.
Prague (Czech Republic)--History.
World War, 1939-1945--Underground movements--Czech Republic--Prague.
Princeton subject headings:
Communism--Czech Republic--Prague.
Prague (Czech Republic)--History.
World War, 1939-1945--Underground movements--Czech Republic--Prague.