Richard, dean of Amiens. [Letter to Ingeborg of Denmark, queen of France, 1200-1213?] in Recueil des historiens des Gaules et de la France 19: 323

[Letter from dean Richard of Amiens to Ingeborg of Denmark, queen of France]
The dean responds to a letter from the queen, thanking her for her gift and assuring her of the chapter’s prayers for her.
Online at Epistolae (See also Bibliographia record).