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