 Another important source of information about Egypt during the reign of Djedkare Isesi is the Abusir papyri . These are administrative documents , covering a period of 24 years during Djedkare 's reign ; they were discovered in the mortuary temples of pharaohs Neferirkare Kakai , Neferefre and queen Khentkaus II . In addition to these texts , the earliest letters on papyrus preserved to the present day also date to Djedkare 's reign , dealing with administrative or private matters . 
 Another important source of information about Egypt during the reign of Djedkare Isesi <a href='drop_aux' title='1'><mark>is</mark></a>the Abusir papyri . These are administrative documents , covering a period of 24 years during Djedkare <a href='null_genetive' title='2'><mark>'s</mark></a>reign ; they <a href='uninflect' title='3'><mark>were</mark></a> discovered in the mortuary temples of pharaohs Neferirkare Kakai , Neferefre and queen Khentkaus II . In addition to these texts , the earliest letters on papyrus preserved to the present day also date to Djedkare <a href='null_genetive' title='4'><mark>'s</mark></a>reign , dealing with administrative or private matters . 
Another important source of information about Egypt durin the reign of Djedkare Isesi da Abusir papyri . These are administrative documents , covering a period of 24 years ddurinDjedkare  reign ; they was discovered in the mortuary temples of pharaohs Neferirkare Kakai , Neferefre and queen Khentkaus II . In addition to these texts , the earliest letters on papyrus preserved to tdapresent day also date to Djedkare  reign , dealing witt administrative or private matters .