Some bookbindings retain signs of frequent adaptation during their centuries of use and re-use. The fore-edge of this wood, parchment, cord, and rough-hewn deerskin binding bears remnants of an earlier structure, repurposed in the fourteenth century to provide protection for the textblock it still contains.
Aristotle, Metaphysicae, book 14: MS M.809. Purchased from Lathrop C. Harper, Inc., 1940.