Es-Zerkel, or Arzachel, the astronomer, 44, 45
F.
Fadhl bin Yahya, the Barmekide, 99, 100
Farabi (Al), or Alfarabius, the philosopher, 24, 25, 65, 66, 67
Farazdak, the poet, 77, 78
Farghani (Al), or Alfraganius, the astronomer, 24, 25, 42
Farra (Al), the grammarian, 48
Fatimites, The, 13
Fezari (Al), the astronomer, 41
Firuzabadi, the lexicographer, 110