Columbia subject headings:
Harvard subject headings:
Education--Political aspects--Poland--Wrocław--History--19th century.
Wrocław (Poland : Eccesiastical principality)
Princeton subject headings:
Catholic Church. Diocese of Breslau (Germany)--History.--19th century.
Education and state--Poland--Wrocław--History--19th century.
Education--Poland--Wrocław--History--19th century.
School management and organization--Poland--Wrocław--History--19th century.