Opera selecta : Gotha, Forschungs- und Landesbibliothek, Memb. 170 /
Thiofrid,Abbot of Echternach,-1110.
Forschungs- und Landesbibliothek (Gotha).Manuscript.Memb. I 70.
München : Lengenfelder,
1994.
Includes bibliographical references.
Thiofrid, Abbot of Echternach, -1110