`  ==Ibn Shaprut and the Khazar Correspondence==  Ibn shapruts correspondence itself is a forgery-the work was ``lost' and rediscovered by a Spanish jewish Printer about five hundred years ago.  :That theory has been debunked by every scholar from Marquart and Brutzkus, through Dunlop, to Golb and Pritsak and Brook. 10th century copies were discovered in the Cairo Genizah. Get your facts straight please.    `