Columbia subject headings:
Harvard subject headings:
Casimir II, King of Poland, 1138-1194.
Church property--Poland--Opatów (Województwo Świętokrzyskie)--History--Sources.
Leszek the White, Duke of Cracow and Sandomierz, 1186 or 1187-1227.
Opatów (Województwo Świętokrzyskie, Poland)--History--15th century--Sources.
Princeton subject headings:
Casimir II, King of Poland, 1138-1194.
Leszek the White, Duke of Cracow and Sandomierz, 1186 or 1187-1227.
Opatów (Województwo Świętokrzyskie, Poland)--History--15th century--Sources.