Columbia subject headings:
Catholic Church--Poland--Wielkopolska--Clergy--History--20th century.
Germans--Poland--Wielkopolska--History--20th century.
Wielkopolska (Poland)--Church history.
Harvard subject headings:
Catholic Church--Poland--Wielkopolska--Clergy--History--20th century.
Germans--Poland--Wielkopolska--History--20th century.
Wielkopolska (Poland)--Church history.
Princeton subject headings:
Catholic Church--Poland--Wielkopolska--Clergy--History--20th century.
Germans--Poland--Wielkopolska--History--20th century.
Wielkopolska (Poland)--Church history.