Columbia subject headings:
Theoderich, Archbishop of Treves, -977.
Trier (Germany)
Harvard subject headings:
Catholic Church. Diocese of Trier (Germany)
Theoderich, Archbishop of Treves, -977.
Theoderich, Archbishop of Trier, -977.
Trier (Electorate)--History.
Princeton subject headings:
Theoderich, Abp. of Treves, d. 977.
Trier (Germany)