Columbia subject headings:
Church and state--Orthodox Eastern Church.
Church and state--Poland.
Orthodox Eastern Church--Poland--History.
Poland--Church history--20th century.
Harvard subject headings:
Church and state--Poland--Orthodox Eastern Church.
Orthodox Eastern Church--Poland--History.
Poland--Church history--20th century
Princeton subject headings:
Church and state--Poland--History--20th century.
Orthodox Eastern Church--Poland--History.