Cord and button fastenings

http://w3id.org/lob/concept/2864 http://w3id.org/lob/concept/2893 For the "Skos:prefLabel" annotation, the parser was unable to determine a language code (i.e. "foo@en"). http://w3id.org/lob/ Fastenings in which a disk-shaped piece of parchment, thick leather or other rigid or semi-rigid material (the button) is attached to the spine or side of a cover and around which a thin cord attached to a fore-edge flap can be wound to hold the flap in place.