The large number of cuneiform clay tablets preserved by these cultures provide an enormous resource for the study of the period and the region's (and the world's) first cities such as Ur are archaeologically invaluable for studying the growth of urbanization.
The large number of cuneiform clay tablets provide an enormous resource for the study of the period and the region's (and the world's) first cities such as Ur are archaeologically invaluable for studying the growth of urbanization. These cuneiform clay tablets are preserved by these cultures.