CLASP Handlist Book: Susan A. Keefe A Catalogue of Works Pertaining to the Explanation of the Creed in Carolingian Manuscripts Turnhout, Brepols 2012 (Instrumenta patristica et mediaevalia. Research on the Inheritance of Early and Medieval Christianity 63), Manuscript references in: Leiden, Universiteitsbibliotheek, Voss. Lat. Q. 57, p. 255-6