Columbia subject headings:
Harvard subject headings:
Catholic Church--Education--Poland--History.
Catholic schools--Poland--History.
Poland--Church history
Ursulines--Poland--History.
Princeton subject headings:
Catholic Church--Education--Poland--History--20th century.
Catholic schools--Poland--History--20th century.
Church and state--Poland--History--20th century.
Poland--Church history--20th century.
Ursulines--Poland--History--20th century.