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• Bradbury, Jim (2006). “Military events”. The Routledge Companion to Medieval Warfare. Read Country Books. ISBN 1-84664-983-8.
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• Day, Gerald. W. (1977). “Manuel and the Genoese: A Reappraisal of Byzantine Commercial Policy in the Late Twelfth Century”. The Journal of Economic History. 37 (2): 289–301. doi:10.1017/S0022050700096947. Đã bỏ qua tham số không rõ |month= (trợ giúp)
• Duggan, Anne J. (2003). “The Pope and the Princes”. Adrian IV, the English Pope, 1154–1159: Studies and Texts edited by Brenda Bolton and Anne J. Duggan. Ashgate Publishing, Ltd. ISBN 0-7546-0708-9.
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• Gibbon, Edward (1995). “XLVIII-The Decline and Fall”. The History of the Decline and Fall of the Roman Empire (Volume III). Penguin Classics. ISBN 0-14-043395-3.
• Hamilton, Bernard (2003). “William of Tyre and the Byzantine Empire”. Porphyrogenita:: Essays on the History and Literature of Byzantium and the Latin East in Honor of Julian Chrysostomides, edited by Charalambos Dendrinos, Jonathan Harris, Eirene Harvalia-Crook and Judith Herrin. Ashgate Publishing, Ltd. ISBN 0-7546-3696-8.
• Hanson, Graig L. (2003). “Manuel I Komnenos and the "God of Muhammad": A Study in Byzantine Ecclesiastical Politics”. Medieval Christian Perceptions of Islam: A Book of Essays edited by John Tolan. Routledge. ISBN 0-415-92892-3.
• Harris, Jonathan (2003). Byzantium and the Crusades. Hambledon and London. ISBN 1-85285-298-4.
• Harris, Jonathan and Tolstoy, Dmitri, 'Alexander III and Byzantium', in Alexander III (1159-81: The Art of Survival, ed. P. Clarke and A. Duggan, Ashgate, 2012, pp. 301–13. ISBN 978 07546 6288 4
• Heath, Ian (1995). Byzantine Armies 1118–1461 AD (Illustrated by Angus McBride). Osprey Publishing. ISBN 1-85532-347-8.
• Hillenbrand, Carole (2003). “The Imprisonment of Raynald of Châtillon”. Texts, Documents, and Artefacts: Islamic Studies in Honour of D.S. (Donald Sidney) Richards edited by Chase F. Robinson. Brill Academic Publishers. ISBN 90-04-10865-3.
• Jeffreys, Elizabeth (2001). “The "Wild Beast from the West": Immediate Literary Reactions in Byzantium to the Second Crusade” (PDF). The Crusades from the Perspective of Byzantium and the Muslim World edited by Angeliki E. Laiou and Roy Parviz Mottahedeh. Dumbarton Oaks Research Library and Collection. ISBN 0-88402-277-3. Bản gốc (PDF) lưu trữ ngày 26 tháng 3 năm 2009. Truy cập ngày 6 tháng 6 năm 2013. Đã bỏ qua tham số không rõ |coauthors= (gợi ý |author=) (trợ giúp)
• Každan, Alexander P. (1990). “Popular and Aristrocratic Popular Trends”. Change in Byzantine Culture in the Eleventh and Twelfth Centuries. University of California Press. ISBN 0-520-06962-5. Đã bỏ qua tham số không rõ |coauthors= (gợi ý |author=) (trợ giúp)
• Kurtz, Johann Heinrich (1860). “Dogmatic Controversies, 12th and 14th Centuries”. History of the Christian Church to the Reformation. T. & T. Clark. ISBN 0-548-06187-4.
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• Madden, Thomas F. (2005). “The Decline of the Latin Kingdom of Jerusalem and the Third Crusade”. The New Concise History of the Crusades. Rowman & Littlefield. ISBN 0-7425-3822-2.
• MacGillivray Nicol, Donald (1988). “The Parting of the Ways”. Byzantium and Venice: A Study in Diplomatic and Cultural Relations. Cambridge University Press. ISBN 0-521-42894-7.
• Magdalino, Paul (2005). “The Byzantine Empire (1118–1204)”. The New Cambridge Medieval History edited by Rosamond McKitterick, Timothy Reuter, Michael K. Jones, Christopher Allmand, David Abulafia, Jonathan Riley-Smith, Paul Fouracre, David Luscombe. Cambridge University Press. ISBN 0-521-41411-3.
• Magdalino, Paul (2002). “The Medieval Empire (780–1204)”. The Oxford History of Byzantium By Cyril A. Mango. Oxford University Press. ISBN 0-19-814098-3.
• Magdalino, Paul (2002). The Empire of Manuel I Komnenos, 1143–1180. Cambridge University Press. ISBN 0-521-52653-1.
• Mayer, Hans, Eberhard (2005). “The Latin East, 1098–1205”. The New Cambridge Medieval History edited by Rosamond McKitterick, Timothy Reuter, Michael K. Jones, Christopher Allmand, David Abulafia, Jonathan Riley-Smith, Paul Fouracre, David Luscombe. Cambridge University Press. ISBN 0-521-41411-3.
• Norwich, John Julius (1998). A Short History of Byzantium. Penguin. ISBN 0-14-025960-0.
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• Obolensky, Dimitri (1971). The Byzantine Commonwealth: Eastern Europe 500–1453. London: Weidenfeld and Nicolson. ISBN 1-84212-019-0.
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