1. Alexander, J. J. G. and Kauffmann, C. M. 1973.English Illuminated Manuscripts 700–7500, 19–20. Brussells: Bibliothéque Royale Albert ler. For further reporting of the Codex Eyckensis see, A. Derolez, “The Manuscript and its History,”Codex Eyckensis, an Insular Gospel book from the Abbey of Alderneik(Maaseik: 1994) 17–37. N. Netzer,Cultural Interplay in the Eighth Century. The Trier Gospels and the Making of a Scriptorium at Echternach (Cambridge:C. U. P., 1994)
2. Photographic documentation of the Codex Eyckensis is available for consultation and reproduction from the Archives department of the Koninklijk Instituut voor het Kunstpatrimonium, Brussels, under the key word ‘Manuscript’ and object number 18032.
3. Wouters, J., Gancedo, G., Peckstadt, A. and Watteeuw, L. “The Codex Eyckensis, an Illuminated Manuscript from the 8th century AD. Laboratory Investigation and Removal of a 30 year old PVC lamination,”ICOM Preprints. 9th Triennial Meeting. Dresden. pp.495–499.
4. THE CONSERVATION OF THE CODEX EYCKENSIS: The evolution of the project and the assessment of materials and adhesives for the repair of parchment
5. REPAIR TREATMENTS FOR VELLUM MANUSCRIPTS