Facsimile_editions 

In this video prof. Ana B. Sanchez-Prieto explains what are medieval manuscript facsimiles, how they are made and why they are so valuable for the manuscripts scholar.
This video is part of the upcoming MOOC "Deciphering Secrets: the Illuminated Manuscripts of Medieval Europe", that will be offered by the University of Colorado and the University Complutense of Madrid through www.coursera.org.
This video has been sponsored by:
Quaternio Verlag Luzern (www.quaternion.ch)
Facsimile finder (www.facsimilefinder.com)
Orbis Medievalis (www.orbismedievalis.com)