Columbia subject headings:
Harvard subject headings:
Catholic Church--Germany--History--19th century.
Catholics--Germany--Politics and government.
Christianity and politics--Catholic Church
Germany--Politics and government--1815-1866.
Germany--Relations--Ireland.
Ireland--Politics and government--19th century.
Ireland--Relations--Germany.
O'Connell, Daniel, 1775-1847.
Princeton subject headings:
Catholics--Germany--Political activity--History--19th century.
Freedom of religion--Germany--History--19th century.
Germany--Church history--19th century.
O'Connell, Daniel, 1775-1847--Influence.