Columbia subject headings:
Jan II Kazimierz, King of Poland, 1609-1672.
Lubomirski, Jerzy Sebastian, książę, 1616-1667.
Poland--Politics and government--1572-1763.
Poland. Sejm--History--17th century.
Harvard subject headings:
Jan II Kazimierz, King of Poland, 1609-1672.
Legislative bodies--Poland--History--17th century.
Lubomirski, Jerzy Sebastian, książę, 1616-1667.
Poland--Politics and government--1572-1763
Poland. Sejm--History--17th century.
Princeton subject headings:
Jan II Kazimierz, King of Poland, 1609-1672.
Legislative bodies--Poland--History--17th century.
Lubomirski, Jerzy Sebastian, książę, 1616-1667.
Poland--Politics and government--1572-1763.
Poland. Sejm--History--17th century.