Arnold, Thomas W. The Caliphate / Thomas W. Arnold, - London : Lapido Media : [distributor] Central Books Ltd, 1965 - 267 p. : ill., 10 black and white. 21 cm. Paperback. Subjects--Topical Terms: CaliphateIslamic EmpireIslamic countries Dewey Class. No.: 297.61 / ARN 1965