Jeremiah Curtin,
The Mongols: A History
(1907)
“ Besides rulers and great men a multitude of merchants and ordinary men were murdered by the tools of Hassan Ben Sabah and his successors the so-called apostles of Islam. But in spite of the bitter enmity between the Abbasids and the Fatimids and the fact that the Assassins, an offshoot of the Fatimids, had worked long and industriously to overthrow their opponents, the throne of the Kalif of Bagdad had not been stained with the blood of its occupants thus far. But the time had now come when the Order dared to murder even the successor of the Prophet. ”
