Minhaj-i-Siraj on Philosophy

"The greater number of inhabitants of that place were Brahmans, and the whole of those Brahmans had their heads shaven, and they were all slain. There were a great number of books there; and when all these books came under the observation of the Musalmans, they summoned a number of Hindus that they might give them information respecting the import of those books; but the whole of the Hindus had been killed. On being acquainted , it was found that the whole of that fortress and city was a college, and in the Hindu tongue, they call a college, Bihar ."