Columbia subject headings:
Poland--Intellectual life--To 1795.
Poland--Politics and government--To 1572.
Sigismund I, King of Poland, 1467-1548.
Harvard subject headings:
Poland--History--Sigismund I, 1506-1548
Poland--Intellectual life--To 1795
Poland--Politics and government--To 1572
Sigismund I, King of Poland, 1467-1548.
Princeton subject headings:
Cabinet officers--Poland--History.
Executive power--Poland--History.
Monarchy--Poland--History.
Poland--Politics and government--To 1572.
Sigismund I, King of Poland, 1467-1548.