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Brockhaus-1809: Macao
Brockhaus-1837: Macao
Brockhaus-1911: Macao [2] · Macao
DamenConvLex-1834: Macao (Geographie)
Meyers-1905: Macao [2] · Macao [1]
Pierer-1857: Macāo · Macao