Cyril Davenport, The Book: Its History and Development
“ They are covered with inscriptions printed in cuneiform characters, and contain records of sales of slaves, loans of money, sales of land and the like, and on the larger bricks and cylinders are longer inscriptions of greater interest, among them stories of the Flood. Many of these records are contained within an outer shell of the same shape, in which is either a short title with seal or even a duplicate inscription. These outer cases are the earliest examples of anything in the [86] shape of a cover or binding over written or printed matter. ”
