Steven Anderson writes, "The attempt to reconcile Aeschylus with Herodotus thus breaks down, not only because of the problem of correlating the Median kings, but also because of the problem of a Medo-Persian confederacy.
Steven Anderson menulis, "Upaya menyatukan pendapat Aeschylus dengan Herodotus tidak dapat terjadi, bukan saja karena problem mengkorelasikan raja-raja Media, tetapi juga karena problem konfederasi Media-Persia.