"The Columbia History of the World", ed. J.Garraty & P. Gay, 1983
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Titel "The Columbia History of the World", ed. J.Garraty & P. Gay, 1983 Kilde-ID S0244047 Knyttet til (4) Basil I, the Macedonian
Constantine VII Porphyrogennetus
Peter, of Bulgaria
Maria Irene Lecapena