Footnote
a Says page 65 of the book On the Road to Civilization (1937), by Heckel and Sigman: “With the opening of the gate of Ishtar to Cyrus, twenty-two centuries of Semitic supremacy ended and the Persian Empire became a power in the East.”
Says page 236 of The Dawn of Civilization (1940), by Engberg: “Moreover, Cyrus was the first great Aryan conqueror of whom we know, and through his efforts the Semites, long the lords of western Asia, lost control until the coming of the Arabs a thousand years later.”