Unicode has included the Inscriptions of Harappa/Mohenjadaro/Egypt...?

[Padma kumar .R]

 Hi,
 
     I am very much interested 2 know about whether the old inscriptions on
 harappa, mohenjadaro, sumaria, egypt and like things are included in the
 unicode list... if so, are there any document of how to use or pronounce
 atleast some of the characters... and are there any fonts that supports
 this....  If you know please let me know it... i am deeply interested in
 this area...
 
 by
 - padmakumar.r
 ([EMAIL PROTECTED])