Anselm, Saint, Archbishop of Canterbury. [Letter to Matilda of Scotland, queen of the English, 1104-5] in Sancti Anselmi Cantuariensis Archiepiscopi Opera Omnia 5.284-85

[Letter from Anselm, archbishop of Canterbury, to Matilda of Scotland, queen of the English]
Anselm reproaches the queen for her treatment of the churches in her hands, presumably a reference to lay investiture, but he trusts to her conscience to correct herself.
Online at Epistolae, (Duplicate). (See also Bibliographia record).