Assertion: apology | /r/HasProperty | quoted by abu-rayhan biruni
Facets:
value: around the year
type: TEMPORAL
Source sentences:
text: Muir acknowledged difficulties in obtaining a reliable version of the Arabic text, but he defended the authenticity of the work, noting that the Apology was quoted by Abu-Rayhan Biruni around the year 1000 as the Epistle of "Abd al Masîh ibn Ishâc, Al Kindy".