Columbia subject headings:
Harvard subject headings:
Boshof, Egon. Erzstift Trier und seine Stellung zu königtum und Papsttum im ausgehenden 10. Jahrhundert.
Catholic Church. Diocese of Trier (Germany)
Eugene III, Pope, -1153.
Germania pontificia.
Seals (Numismatics)--Europe.
Theoderich, Abp. of Treves, -977.
Theoderich, Archbishop of Treves, -977.
Treves (France : Diocese)
Trier (Electorate)--History.
Princeton subject headings:
Catholic Church. Pope (1145-1153 : Eugene III)
Catholic Church. Pope. Germania pontificia. Vol. 4--Criticism and interpretation.
Eugene III, Pope, 1145-1153.
Germany--Church history--843-1517--Sources.
Seals (Numismatics)--Europe.