Walker Paul E. Exploring an Islamic empire fatimid history and its sources Walker Paul E. - London I.B. Tauris Publishers 2002 - xv, 286p. cm. - The institute of ismaili studies . ISBN: 1860646921 (hb) Standard No.: 231,713 Source: Textual Subjects--Topical Terms: HISTORY Dewey Class. No.: V1(Q7).F, P2