Imams, The Shiah, 37
Imams, The Sunni, 37, 38
Isa bin Musa, the physician, 75
Islam, The dogmas, precepts, and ordinances of, 148, 149
Istakhri (Al), the geographer and traveller, 49, 50
J.
Jaafar as Sadik, the alchemist, 41
Jaafar bin Yahya, the Barmekide, 99-101
Jaber (Al), or Geber, the astronomer, 24, 25, 41
Jaber bin Hayam, the alchemist, 40, 41