Hrotsvit, nun. [Letter to Gerberga, abbess of Gandersheim, undated] in Hrotsvithae Opera 385-86

[Letter from Hrotsvit, nun, to Gerberga, abbess of Gandersheim]
Gerberga asked Hrotsvit to write this, the first life of her uncle emperor Otto I.
Online at Epistolae (See also Bibliographia record).