Maqriziana XII. Evaluating the Sources for the Fatimid Period: Ibn al-Maʾmūn al-Baṭāʾiḥī’s History and Its Use by al-Maqrīzī (with a Critical Edition of His Resumé for the Years 501-515 A.H.)
This essay from the book is available at the source for download: http://orbi.ulg.ac.be/handle/2268/60985
Earlier related: Chicago Studies on the Middle East: Ismaili and Fatimid Studies in Honor of Paul E. Walker