Columbia subject headings:
Harvard subject headings:
Maria Ludwika, Queen, consort of Jan II Kazimierz, King of Poland, 1611-1667.
Poland--History--John II Casimir, 1648-1668
Poland--Queens--Biography.
Princeton subject headings:
Maria Ludwika, Queen, consort of Jan II Kazimierz, King of Poland, 1661-1667.
Poland--History--John II Casimir, 1648-1668.
Queens--Poland--Biography.