Columbia subject headings:
Pastoral care--Germany--Prussia--History--Congresses.
Prussia (Germany)--Church history--Congresses.
Prussia, East (Poland and Russia)--Church history--Congresses.
Teutonic Knights--Germany--Prussia--History--Congresses.
Harvard subject headings:
Catholic Church--Germany--Prussia--History.
Catholic Church--Poland--History.
Church and state--Germany--Prussia--History.
Church and state--Poland--History.
Pastoral care--Germany--History.
Pastoral care--Germany--Prussia--History--Congresses.
Pastoral care--Poland--History.
Pastoral counseling--Germany--Prussia--History--Congresses.
Poland--Church history
Prussia (Germany)--Church history--Congresses.
Prussia (Germany)--Church history.
Prussia, East (Poland and Russia)--Church history--Congresses.
Prussia, East (Poland and Russia)--Church history.
Teutonic Knights--Germany--Prussia--History--Congresses.
Princeton subject headings: