1. Research Centre ‘Pratiques médiévales de l’écrit’, University of Namur, 61 rue de Bruxelles, Namur 5000, Belgium
2. BioArCh, Department of Archaeology, University of York, York YO10 5DD, UK
3. Mass Spectrometry platform, University of Namur, 61 rue de Bruxelles, Namur 5000, Belgium
4. Department of Physics, and Heritage, Transmissions and Inheritances Institute, University of Namur, 61 rue de Bruxelles, Namur 5000, Belgium
5. Rare Books Collection, Bibliothèque Universitaire Moretus Platin, University of Namur, 61 rue de Bruxelles, Namur 5000, Belgium
6. Rare Books Collection, National Library of Luxembourg, Luxembourg 1855
7. Department of Archaeology, University of Cambridge, Cambridge CB2 3ER, UK
8. GLOBE Institute, University of Copenhagen, Copenhagen 1350, Denmark