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Arabic-Islamic Records on Latin-Christian Europe: Introduction 2. An Evolving Information Landscape, 7th-15th centuries 3. Scholars At Work 4. Discovery of the Roman West 5. The Visigoths: History of a Conquered People 6. From the Franks to France 7. From the Patriarch of Rome to the Pope 8. The Expanding Latin-Christian Sphere 9.
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Daniel G. König (2015) studied this question.