Columbia subject headings:
Harvard subject headings:
Catholic Church--Missions--Bosnia and Herzegovina--History.
Catholic Church--Poland--Clergy--History.
Polish people--Bosnia and Herzegovina--History--19th century.
Polish people--Bosnia and Herzegovina--History--20th century.
Princeton subject headings:
Banja Luka (Bosnia and Herzegovina)--Emmigration and immigration.
Catholic Church--Bosnia and Herzegovina--Clergy.
Poland--Emmigration and immigration.
Polish people--Bosnia and Hercegovina--Banja Luka--History--19th century.