text:  His "History of the Domination of the Arabs and Moors in Spain " has been generally regarded as of high authority and is in truth the first work on the subject drawn wholly from Arab sources; but it receives summary condemnation from Senor de Gayangos for "the uncouth arrangement of the materials the entire want of critical or explanatory notes the unaccountable neglect to cite authorities the numerous repetitions blunders and contradictions