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Are you John W. Barker, author of the books below?
Justinian and the Later Roman Empire by John W. Barker Manuel II Palaeologus 1391-1425 by John W. Barker Wagner and Venice Fictionalized by John W. Barker Agricultural Marketing by John W. Barker Wagner and Venice by John W. Barker Use of Music and Recordings for Teaching About the Middle Ages by John W. Barker JUSTINIAN AND THE LATER ROMAN EMPIRE by John W. Barker Justinian and the Later Roman Empire. by John W. Barker


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