Claiborne, Robert.
The birth of writing /
Robert Claiborne and the editors of "Time-Life Books" 
. - New York : Time-Life Books,  1974 
. - 160 p.  ill., tab., map.  27 cm. 
 - (The emergence of man  ; [20] )
<br/>К.: Бібліогр. : с. 157, Покажчик