Bábís, [101]

Babylonians, science of, [17]

Bagdad, [84];

taken by Hulagu, [99], [241];

building of, [129]

Baidáwí, his commentary on the Koran, [57]

Barhebræus, [236]-[256];

his works, [255]

Barsaumá, brother of Barhebræus, [253]

Basra, [125], [147], [155], [158]