Note 38 — IV. CALIPH MANSÚR.
J. Sutherland (John Sutherland) Black translation
It is much to be regretted that none of these reports have come down to us. Altogether, we have extremely few original documents for the history of the Arabian empire; nor are those very numerous even which have been preserved for us, either wholly, or in substance, in extant works. On the other hand, the narrative of the history of the caliphate is copious.