and 
),
and the
Bibliotheque of D'Herbelot, in the articles Ommiades, Abbassides,
Moervan, Ibrahim, Saffah,
Abou Moslem.
See Abulfeda (Annal. Moslem. p. 136-145), Eutychius(Annal. tom. ii. p. 392, vers. Pocock), Elmacin (Hist. Saracen. p. 109 - 121), Abulpharagius, (Hist. Dynast. p. 134-140), Roderic of Toledo (Hist. Arabum, c. xviii. p. 33), Theophanes (Chronograph. p. 356, 357, who speaks of the Abbassides under the names of
and ),
and the
Bibliotheque of D'Herbelot, in the articles Ommiades, Abbassides,
Moervan, Ibrahim, Saffah,
Abou Moslem.