Columbia subject headings:
Church and state--Germany--History--19th century.
Spiegel, Ferdinand August, Graf von Desenberg, 1764-1835.
Harvard subject headings:
Church and state--Germany--History--19th century
Spiegel, Ferdinand August, Graf zum Desenberg, Abp. of Cologne, 1764-1835.
Princeton subject headings:
Church and state in Germany.
Spiegel, Ferdinand August, Graf zum Desenberg. Abp of Cologne, 1764-1835.