Hüls, p. 192, with note 8. Karl Brandi (ed.), Die Chronik des Gallus Öhem (Heidelberg: Carl Winter 1893), pp. 103-104.
The "privilege" granted the emperor the right to invest a newly elected bishop with the ring and the staff of office before he was consecrated by the appropriate church officials. Pertz, Monumenta Germaniae historica. Legum. Tomus I, pp. 144-145, no. 96.
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Hüls, p. 186, with note 3. Charles Joseph Hefele, Histoire des conciles, second edition, Tome V (Paris: Letouzey 1912), pp. 532-535. J. D. Mansi (ed.), Sacrorum Conciliorum nova et amplissima collectio, editio novissima, Tomus XXI(in Latin) (Venice: A. Zatta 1776), p. 52. Monumenta Germaniae Historica. Legum Sectio IV. Constitutiones Tomus I (Hannover: Hahn 1893), p. 570, no. 399.