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Bird JL. Crusade and Conversion after the Fourth Lateran Council (1215): Oliver of Paderborn’s and James of Vitry’s Missions to Muslims Reconsidered. Essays in Medieval Studies. 2004;21(1):23-47. doi:10.1353/ems.2005.0004
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david jacoby. Society, Culture and the Arts in Crusader Acre. https://www.academia.edu/5834132/Society_Culture_and_the_Arts_.
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Riley-Smith J. Oxford Illustrated History of the Crusades. Oxford University Press; 1995. http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5664953910002746&institutionId=2746&customerId=2745
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Pringle D, Barber M, Edbury PW, Hamilton B, Housley N, Jackson P. Pilgrimage to Jerusalem and the Holy Land, 1187-1291. Taylor & Francis Ltd; 2009. https://le.userservices.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5222298790002746&institutionId=2746&customerId=2745
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by David Thomas, Alexander Mallett. Christian-Muslim Relations. A Bibliographical History. Volume 4 (1200-1350). https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=737784
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Tyerman C. Crusades: A Very Short Introduction. Oxford University Press; 2005. http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5664953920002746&institutionId=2746&customerId=2745
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Barber M, Bate AK. Letters from the East: Crusaders, Pilgrims and Settlers in the 12th-13th Centuries. Vol Volume 18. Routledge; 2016. https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=1172566
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Donnadieu J, Jacques. Histoire Orientale =: Historia Orientalis. Vol 12. Brepols; 2008. https://ebookcentral.proquest.com/lib/leicester/detail.action?docID= 5207445
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The exempla or illustrative stories from the Sermones vulgares of Jacques de Vitry. Ed., with introduction, analysis, and notes : Jacobus de Vitriaco, Cardinal, d. 1240 : Free Download & Streaming : Internet Archive. https://archive.org/details/theexempla00vitruoft
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De Vitry J. The History of Jerusalem A.D. 1180 (Translated by Aubrey Stewart). Palestine Pilgrims’ Text Society; 1896. https://archive.org/details/cu31924028534422
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The Crusades: A Reader, Second Edition - Google Books. University of Toronto Press, 2014 https://books.google.co.uk/books/about/The_Crusades.html?id=oTmWAwAAQBAJ&redir_esc=y
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William. A History of Deeds Done beyond the Sea. Vol 35. Octagon Books; 1976. https://archive.org/details/historyofdeedsdo0001unse/page/n5/mode/2up
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Crusade and Christendom. University of Pennsylvania Press; 2013. https://ebookcentral.proquest.com/lib/leicester/detail.action?pq-origsite=primo&docID=3442060
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Brewer K. Prester John: The Legend and Its Sources. Ashgate; 2015. http://ezproxy.lib.le.ac.uk/login?url=http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=608857
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Hitti PK, Usāmah ibn Munqidh. An Arab-Syrian Gentleman and Warrior in the Period of the Crusades : Memoirs of Usāmah Ibn-Munqidh (Kitāb al-Iʿtibār) ; Translated from the Original Manuscript by Philip K. Hitti ; with a New Foreword by Richard W. Bulliet. Columbia University Press; 2000. https://archive.org/details/isbn_2900231121254
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Jacques (de Vitry). Two Lives of Marie d’Oignies - Jacques (de Vitry), Margot H. King, Thomas (de Cantimpré), Hugh Feiss, Miriam Marsolais - Google Books. Peregrina Pub. Co., 1998; 16AD. https://books.google.co.uk/books?id=B5nZAAAAMAAJ&q=Two+lives+of+Marie+d%27oignies&dq=Two+lives+of+Marie+d%27oignies&hl=en&sa=X&ved=0ahUKEwjjjtG43NPYAhWrA8AKHT_NB7gQ6AEIKTAA
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Morgan MR. ‘Chronicle’ of Ernoul and the Continuations of William of Tyre. Oxford University Press; 1974.
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Pringle D, Barber M, Edbury PW, Hamilton B, Housley N, Jackson P. Pilgrimage to Jerusalem and the Holy Land, 1187-1291. Taylor & Francis Ltd; 2009. https://le.userservices.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5222298790002746&institutionId=2746&customerId=2745
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Rodriguez J. Muslim and Christian Contact in the Middle Ages. University of Toronto Press; 2015.
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Whalen B. Pilgrimage in the Middle Ages. University of Toronto Press; 2011.
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Stopford J. Pilgrimage Explored. York Medieval Press; 1999.
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Moore JC, Bolton B. Pope Innocent III and His World. Ashgate; 1999.
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Perry G, Smith TW, Mylod EJ, Vandeburie J. Fifth Crusade in Context. Taylor & Francis Ltd; 2016. https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4717805
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Oliver Of Paderborn His Siege Engine At Damietta. - University of Leicester. https://librarysearch.le.ac.uk/primo_library/libweb/action/display.do?tabs=viewOnlineTab&ct=display&fn=search&doc=TN_brepols37M450G267N7V531&indx=1&recIds=TN_brepols37M450G267N7V531&recIdxs=0&elementId=0&renderMode=poppedOut&displayMode=full&frbrVersion=&frbg=&&dscnt=0&scp.scps=scope%3A%2844UOLE_SPECCOL%29%2Cscope%3A%2844UOLE_DISSERTATIONS%29%2Cscope%3A%2844UOLE_DSPACE%29%2Cscope%3A%2844UOLE_CALM%29%2Cscope%3A%2844UOLE_ALMA%29%2Cscope%3A%2844UOLE_EXAM%29%2Cscope%3A%2844UOLE_CONTENTDM%29%2Cscope%3A%2844UOLE_OJS%29%2Cprimo_central_multiple_fe&mode=Basic&vid=44UOLE_VU1&srt=rank&tab=default_tab&vl(freeText0)=Oliver%20of%20Paderborn%20and%20his%20siege%20engine&dum=true&dstmp=1515804932340
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Rubi�es JP, ed. Medieval Ethnographies: European Perceptions of the World Beyond. Vol pt. 2, 9. Routledge; 2016. http://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4860429
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The Haskins Society journal : studies in medieval history - University of Leicester. https://librarysearch.le.ac.uk/primo_library/libweb/action/display.do?tabs=requestTab&ct=display&fn=search&doc=44UOLE_ALMA2199367820002746&indx=1&recIds=44UOLE_ALMA2199367820002746&recIdxs=0&elementId=0&renderMode=poppedOut&displayMode=full&frbrVersion=&frbg=&&dscnt=0&scp.scps=scope%3A%2844UOLE_SPECCOL%29%2Cscope%3A%2844UOLE_DISSERTATIONS%29%2Cscope%3A%2844UOLE_DSPACE%29%2Cscope%3A%2844UOLE_CALM%29%2Cscope%3A%2844UOLE_ALMA%29%2Cscope%3A%2844UOLE_EXAM%29%2Cscope%3A%2844UOLE_CONTENTDM%29%2Cscope%3A%2844UOLE_OJS%29%2Cprimo_central_multiple_fe&mode=Basic&vid=44UOLE_VU1&srt=rank&tab=default_tab&vl(freeText0)=The%20haskins%20society%20journal&dum=true&dstmp=1515805115756
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david jacoby. Everyday life Acre. https://www.academia.edu/5834101/Everyday_life_Acre
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Jacoby D. Latins, Greeks and Muslims. Taylor & Francis Ltd; 2009.
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Cooper K, Gregory J, Ecclesiastical History Society. Summer Meeting, Ecclesiastical History Society. Winter Meeting. Retribution, Repentance, and Reconciliation: Papers Read at the 2002 Summer Meeting and the 2003 Winter Meeting of the Ecclesiastical History Society. Vol 40. Published for the Ecclesiastical History Society by the Boydell Press; 2004.
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Powell J. Anatomy of a Crusade, 1213-1221. University of Pennsylvania Press; 2010. http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5664953890002746&institutionId=2746&customerId=2745
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Powell JM. The Crusades, the Kingdom of Sicily, and the Mediterranean. Vol CS871. Ashgate Variorum; 2007.
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Between two kings: Pope Honorius III and the seizure of the kingdom of Jerusalem by Frederick II in 1225 - University of Leicester. https://librarysearch.le.ac.uk/primo_library/libweb/action/display.do?tabs=viewOnlineTab&ct=display&fn=search&doc=TN_tayfranc10.1080%2f03044181.2014.970661&indx=1&recIds=TN_tayfranc10.1080%2f03044181.2014.970661&recIdxs=0&elementId=0&renderMode=poppedOut&displayMode=full&frbrVersion=&frbg=&&dscnt=0&scp.scps=scope%3A%2844UOLE_SPECCOL%29%2Cscope%3A%2844UOLE_DISSERTATIONS%29%2Cscope%3A%2844UOLE_DSPACE%29%2Cscope%3A%2844UOLE_CALM%29%2Cscope%3A%2844UOLE_ALMA%29%2Cscope%3A%2844UOLE_EXAM%29%2Cscope%3A%2844UOLE_CONTENTDM%29%2Cscope%3A%2844UOLE_OJS%29%2Cprimo_central_multiple_fe&mode=Basic&vid=44UOLE_VU1&srt=rank&tab=default_tab&vl(freeText0)=between%20two%20kings&dum=true&dstmp=1515805654015
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Smith TW. Honorius III and the Crusade: Responsive Papal Government Versus the Memory of his Predecessors. Studies in Church History. 2013;49:99-109. doi:10.1017/S0424208400002059
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Tolan JV. Saint Francis and the Sultan. Oxford University Press; 2009. https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=453650
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Tyerman C. Crusades: A Very Short Introduction. Oxford University Press; 2005. http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5664953920002746&institutionId=2746&customerId=2745
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Riley-Smith J. What Were the Crusades? 3rd Revised edition. Palgrave Macmillan; 2002.
