[4] The Caliph's full name was Abu Jafar Al Mansur.
[5] I.e., descendant of Ali.
[6] An underground dungeon.
[7] Five.
[8] Praise of God.
[9] Koran, ii., 238.
[10] A famous musician of the period.
[11] I.e., "There is nothing new under the sun."
[12] In the Mosque of Omar.
[13] A miracle ascribed to Mohammed.