Columbia subject headings:
Harvard subject headings:
Catholic Church--Relations--Judaism.
Catholic Church--Relations--Orthodox Eastern Church.
Church and state--Poland--Lublin (Voivodeship)--20th century.
Lublin (Poland : Voivodeship)--Church history--20th century.
Princeton subject headings:
Catholic Church--Relations--Judaism.
Catholic Church--Relations--Orthodox Eastern Church.
Church and state--Poland--Lublin (Voivodeship)--20th century.
Lublin (Poland : Voivodeship)--Church history--20th century.