Walter Pohl And Rutger Kramer, Introduction: Empires And Communities In The Post-roman And Islamic World -- Hugh Kennedy, The Emergence Of New Polities In The Break-up Of The Abbasid Caliphate -- Walter Pohl, The Emergence Of New Polities In The Break-up Of The Western Roman Empire -- Walter Pohl And Hugh Kennedy, Comparative Perspectives: Differences Between The Dissolution Of The Western Roman Empire And The Abbasid Caliphate -- Peter Webb, Fragmentation And Integration: A Response To The Contributions By Hugh Kennedy And Walter Pohl -- John Haldon, Historicizing Resilience: The Paradox Of The Medieval East Roman State; Collapse, Adaptation, And Survival -- Leslie Brubaker And Chris Wickham, Processions, Power, And Community Identity: East And West -- Daniel Reynolds, Death Of A Patriarch: The Murder Of Yūḥannā Ibn Jamī (d. 966) And The Question Of 'melkite' Identity In Early Islamic Palestine -- Stefan Esders And Helmut Reimitz, Diversity And Convergence: The Accommodation Of Ethnic And Legal Pluralism In The Carolingian Empire -- Rutger Kramer, Franks, Romans, And Countrymen: Carolingian Interests, Local Identities, And The Conquest Of Aquitaine -- Peter Webb, From The Sublime To The Ridiculous: Yemeni Arab Identity In Abbasid Iraq (including Appendix: Translations Of Selected Poems) -- Petra Sijpesteijn, Loyal And Knowledgeable Supporters: Integrating Egyptian Elites In Early Islamic Egypt -- Chris Wickham, Concluding Thoughts: Empires And Communities. Edited By Walter Pohl And Rutger Kramer. Includes Bibliographical References And Index. Electronic Reproduction. Oxford Available Via World Wide Web.