Stevens, Phillips The Kisra effect : a problem in the interpretation of African ethnohistorical data - Philadelphia : African Studies Association, 1972. - 32p. : ill. ; 28cm. - Paper No.158 - 188 are all bound in one book; 166 . Subjects--Topical Terms: Ethno-historyAfrica LC Class. No.: EAF QTO DT19.9.U57A35 No.166