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1by Kantorowicz, Ernst Hartwig, 1895-1963Subjects: '; “...Frederick II, Holy Roman Emperor, 1194-1250...”
Published 1957
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2by Van Cleve, Thomas CurtisSubjects: '; “...Frederick II, Holy Roman Emperor, 1194-1250...”
Published 1972
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3by Masson, GeorginaSubjects: '; “...Frederick II, Holy Roman Emperor, 1194-1250...”
Published 1973
Book