Columbia subject headings:
Poland--Politics and government--1945-1980.
Political persecution--Poland.
Political prisoners--Poland--Warsaw--Biography.
Prisons--Poland--Warsaw.
Harvard subject headings:
Capital punishment--Poland.
Poland--Politics and government--1945-1980
Political prisoners--Poland--Registers.
Princeton subject headings:
Executions and executioners--Poland--Warsaw--History.
Prisoners--Poland--Warsaw--History.
Prisons--Poland--Warsaw--History.