Paul E. Walker,  The Fatimids. Select Papers on Their Governing Institutions, Social and Cultural Organization, Religious Appeal, and Rivalries , Handbook of Oriental Studies/Handbuch der Orientalistik. Section I: The Near and Middle East, Volume 172), Leiden-Boston: Brill, 2023, 459 pages, ISBN 978-90-04-54861-9.

Article Paul E. Walker, The Fatimids. Select Papers on Their Governing Institutions, Social and Cultural Organization, Religious Appeal, and Rivalries, Handbook of Oriental Studies/Handbuch der Orientalistik. Section I: The Near and Middle East, Volume 172), Leiden-Boston: Brill, 2023, 459 pages, ISBN 978-90-04-54861-9. was published on April 30, 2026 in the journal Der Islam (volume 103, issue 1).