Elisabeth of Schönau, Saint. [Letter to the abbess of Dietkirchen, undated (2)] in Die Visionen und Briefe der heiligen Elisabeth 6.146-48

[Letter from Elisabeth of Schönau]
Knowing the abbess wanted her advice, Elisabeth sends a vision of Christ with an interpretation, and another vision that cured her illness.
Online at Epistolae (See also Bibliographia record).