- Surprise as sealskin is discovered to be cover material of ‘hairy’ medieval books The Guardian
- The Skin on Mysterious Medieval Books Concealed a Shaggy Surprise The New York Times
- Rare books covered with seal skin hint at a medieval trade network Science Current-News-Report
- Analysis of medieval books reveals many were bound with sealskin Phys.org
- Mystery ‘hairy’ material used to make handcrafted medieval book covers finally revealed AOL.com
