Columbia subject headings:
Belgium--Church history--19th century.
Catholic Church--Belgium--History--19th century.
Catholic Church--Netherlands--History--19th century.
Church and state--Belgium--History--19th century.
Church and state--Netherlands--History--19th century.
Netherlands--Church history--19th century.
Pius VII, Pope, 1742-1823.
Harvard subject headings:
Belgium--Church history--19th century.
Catholic Church--Belgium--History--19th century.
Catholic Church--Netherlands--History--19th century.
Church and state--Belgium--History--19th century.
Church and state--Netherlands--History--19th century.
Netherlands--Church history--19th century.
Pius VII, Pope, 1742-1823
Princeton subject headings:
Catholic Church--Belgium--History.
Catholic Church--Netherlands--History.
Catholic Church. Pope (1800-1823 : Pius VII)
Pius VII, Pope, 1742-1823.